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Science dictionaries and glossaries indexed by the OneLook® search engine:

  1. Biological Sciences Dictionary: Includes definitions (English) [67191 words, 30Oct2006, More info]
  2. Botanical Name listing of Plants: Includes definitions (English), illustrations, data [63341 words, 28Mar2010, More info]
  3. Cytokines & Cells Online Pathfinder Encyclopaedia: Includes definitions (English) [21270 words, 20Oct2009, More info]
  4. Lexique de mathmatique: Includes definitions (French), illustrations, origins [20124 words, 19Nov2009, More info]
  5. PlanetMath Encyclopedia: Includes definitions (English) [18025 words, 23Nov2009, More info]
  6. Eric Weisstein's World of Mathematics: Includes definitions (English), illustrations, animations [16183 words, 29Apr2008, More info]
  7. Dictionary of Botanical Epithets: Includes definitions (English), translations (English, Latin) [10248 words, 20Oct2009, More info]
  8. Archaeology Wordsmith: Includes definitions (English), sound pronunciations [9205 words, 14Mar2010, More info]
  9. A-Z of Plants: Includes definitions (English), illustrations, data [6944 words, 20Oct2009, More info]
  10. Tico Ethnobotanical Dictionary: Includes translations (English, Spanish) [6722 words, 14Mar2010, More info]
  11. Bryological: Includes definitions (English), translations (English, French, German, Spanish, Latin) [5540 words, 25Sep2008, More info]
  12. Botanical Terms: Includes definitions (English) [4409 words, 17Aug2009, More info]
  13. Extragalactic Astronomy: Includes definitions (English) [4319 words, 20Oct2009, More info]
  14. Envirofacts Warehouse Chemical References Index: Includes definitions (English) [3835 words, 23Jul2009, More info]
  15. BEILSTEIN Dictionary (Chemistry): Includes translations (English, German) [3455 words, 16Dec2009, More info]
  16. Eric Weisstein's World of Physics: Includes definitions (English), illustrations, animations [3020 words, 6Jul2009, More info]
  17. Agate Lexicon: Includes definitions (English) [3000 words, 29Oct2009, More info]
  18. Illustrated Glossary of Agate Terms: Includes definitions (English), illustrations [3000 words, 23Jan2009, More info]
  19. Agricultural Thesaurus and Glossary: Includes definitions (English, Spanish), translations (English, Spanish) [2643 words, 14Mar2010, More info]
  20. FOLDOP - Free On Line Dictionary Of Philosophy: Includes definitions (English) [2441 words, 12Feb2010, More info]
  21. Earliest Known Uses of Some of the Words of Mathematics: Includes origins [2330 words, 22Jun2008, More info]
  22. Mathematisches W?rterbuch: Includes translations (English, German) [2243 words, 20May2008, More info]
  23. How Many? A Dictionary of Units of Measurement: Includes definitions (English) [2233 words, 18Jan2010, More info]
  24. A Dictionary of Quaternary Acronyms and Abbreviations: Includes definitions (English) [2204 words, 17Nov2009, More info]
  25. Anthropology dictionary: Includes definitions (English) [1774 words, 17Nov2009, More info]
  26. A Glossary of Mathematical Terms: Includes definitions (English), illustrations [1661 words, 9Sep2009, More info]
  27. mda Archaeological Objects Thesaurus: Includes definitions (English) [1631 words, 24Sep2008, More info]
  28. Drug Discovery and Development: Includes definitions (English) [1589 words, 20Jun2009, More info]
  29. HYPP Zoology: Includes definitions (English, French), translations (English, French) [1385 words, 20Oct2009, More info]
  30. A German-to-English dictionary for algebra students: Includes translations (English, German) [1377 words, 31Jan2010, More info]
  31. Bird On!: Includes definitions (English) [1224 words, 30May2009, More info]
  32. Diccionario de la contaminación: Includes definitions (Spanish), translations (English, Spanish) [1218 words, 29Aug2002, More info]
  33. Glossary of Roots of Botanical Names: Includes definitions (English) [1132 words, 23Nov2009, More info]
  34. Fish: Includes translations (English, Icelandic, Latin, Norwegian, Danish, French) [1117 words, 17Aug2009, More info]
  35. Electrochemistry Dictionary: Includes definitions (English) [1030 words, 6Jul2009, More info]
  36. General Chemistry Online: Includes definitions (English), illustrations, sound pronunciations [1029 words, 20Oct2009, More info]
  37. Zoom Astronomy Glossary: Includes definitions (English), illustrations [959 words, 16Feb2010, More info]
  38. A Modern Herbal, 1931, by Mrs. M. Grieve: Includes definitions (English), synonyms [901 words, 30May2009, More info]
  39. Environmental Terminology Discovery Service: Includes definitions (English) [845 words, 23Jul2009, More info]
  40. Illustrated Glossary of Geologic Terms: Includes definitions (English), illustrations [797 words, 25May2008, More info]
  41. Weather Glossary: Includes definitions (English) [797 words, 12Feb2010, More info]
  42. Flora of New South Wales: Includes definitions (English) [782 words, 20Oct2009, More info]
  43. Dave's Math Tables: English-Spanish Dictionary: Includes translations (English, Spanish) [777 words, 16Dec2009, More info]
  44. MathVoc: Includes translations (English, French, Spanish) [748 words, 16Dec2009, More info]
  45. The Orchid Lady's Illustrated Orchid Encyclopedia: Includes definitions (English), illustrations [728 words, 20Oct2009, More info]
  46. Natural History Terms: Includes definitions (English) [692 words, 15Jan2010, More info]
  47. Mathematical Programming: Includes definitions (English) [691 words, 17Aug2009, More info]
  48. Eric Weisstein's World of Astronomy: Includes definitions (English), illustrations, animations [672 words, 6Jul2009, More info]
  49. The Mineral Gallery: Includes definitions (English), illustrations [625 words, 11Sep2009, More info]
  50. Chemistry Dictionary: Includes definitions (English) [599 words, 30Mar2010, More info]
  51. Chemicool Chemistry Dictionary: Includes definitions (English) [597 words, 20Oct2009, More info]
  52. WebElements Periodic Table of the Elements: Includes definitions (English), translations (English, French, German, Italian, Spanish), sound pronunciations, data, origins [576 words, 19Dec2009, More info]
  53. WashingtonPost.com: Weather: Includes definitions (English) [573 words, 23Dec2001, More info]
  54. Glossary of Entomology: Includes definitions (English) [570 words, 17Nov2009, More info]
  55. Fishkeeping glossary: Includes definitions (English) [559 words, 17Nov2009, More info]
  56. Evolution Glossary: Includes definitions (English) [543 words, 14Nov2009, More info]
  57. Eric Weisstein's World of Chemistry: Includes definitions (English), illustrations, animations [534 words, 6Jul2009, More info]
  58. On-Line Biology Book: GLOSSARY: Includes definitions (English) [533 words, 24Sep2008, More info]
  59. LITTLE EXPLORERS(TM) Picture Dictionary: Includes definitions (English), translations (English, French, German, Portuguese, Spanish, Japanese), illustrations, sound pronunciations, example phrases, reverse lookup [516 words, 19Nov2009, More info]
  60. NRC Glossary of Nuclear Terms --: Includes definitions (English) [493 words, 17Nov2009, More info]
  61. MATH SPOKEN HERE!: Includes definitions (English), illustrations, sound pronunciations, example phrases, phonic pronunciations [479 words, 20Oct2009, More info]
  62. AGRICULTURAL AND ENVIRONMENTAL BIOTECHNOLOGY: Includes definitions (English) [459 words, 11Feb2010, More info]
  63. Visionary, for the Study of Vision: Includes definitions (English), illustrations [445 words, 18Jun2009, More info]
  64. GENETIQUE MOLECULAIRE - GENIE GENETIQUE: Includes definitions (French), translations (English, French) [433 words, 20Oct2009, More info]
  65. Material Safety Data Sheets HyperGlossary: Includes definitions (English) [411 words, 11Sep2009, More info]
  66. Prime: Includes definitions (English) [406 words, 29Jan2010, More info]
  67. Biochemistry: Includes definitions (French) [404 words, 16Dec2009, More info]
  68. Glossary of Pollen and Spore Terminology -: Includes definitions (English), illustrations [390 words, 25May2008, More info]
  69. Atmospheric Chemistry and Air Quality: Includes definitions (English) [390 words, 19Dec2009, More info]
  70. Fundamental Statistics for the Behavioral Sciences: Includes definitions (English) [388 words, 22Dec2009, More info]
  71. Genetics Glossary: Includes definitions (English) [384 words, 14Sep2006, More info]
  72. DOE Genome Glossary: Includes definitions (English) [380 words, 17Aug2009, More info]
  73. Geography Dictionary: Includes definitions (English) [321 words, 15Jan2010, More info]
  74. PHYSICAL ORGANIC CHEMISTRY: Includes definitions (English), illustrations [320 words, 17Aug2009, More info]
  75. Garden Flower, Shrub and Tree Glossary: Includes definitions (English), illustrations [311 words, 11Sep2009, More info]
  76. GEOGRAPHIC: Includes definitions (English) [303 words, 12Mar2008, More info]
  77. From Stargazers to Starships Glossary: Includes definitions (English) [301 words, 23May2009, More info]
  78. Underwater Archaeology Glossary: Includes definitions (English, Swedish), illustrations [299 words, 22Dec2009, More info]
  79. Dinosaurs from A-Z: Includes definitions (English), synonyms, illustrations, phonic pronunciations, sound pronunciations, origins [297 words, 11Sep2009, More info]
  80. Dictionary of Horticultural Terms: Includes definitions (English) [295 words, 6Jul2009, More info]
  81. Plant Common Names in English & Spanish: Includes translations (English, Spanish) [295 words, 11Sep2009, More info]
  82. The Computational Beauty of Nature: Includes definitions (English) [284 words, 20Oct2009, More info]
  83. Imagine the Universe! Dictionary: Includes definitions (English) [277 words, 11Sep2009, More info]
  84. Tree of Life Glossary: Includes definitions (English), illustrations [276 words, 17Aug2009, More info]
  85. LITHICS-NET's Glossary of Lithics Terminology: Includes definitions (English) [273 words, 29Nov2009, More info]
  86. Anthropological Terms: Includes definitions (English) [273 words, 17Nov2009, More info]
  87. Lithics Terminology (Archaeology): Includes definitions (English) [249 words, 12Mar2008, More info]
  88. Solar Radiation Resource Terms: Includes definitions (English), illustrations [235 words, 26Jul2009, More info]
  89. Glossary of Avian Terms For Use in Avian Conservation Biology: Includes definitions (English) [235 words, 19Jan2010, More info]
  90. Biology dictionary: Includes definitions (English) [232 words, 6Jul2009, More info]
  91. Andromede - dictionnaire encyclopedique de l'astronomie: Includes definitions (French), illustrations [229 words, 20Oct2009, More info]
  92. Danish Whale Dictionary: Includes translations (English, Danish) [227 words, 6Jul2009, More info]
  93. Dictionary of Geology: Includes definitions (English) [217 words, 20Oct2009, More info]
  94. Nine Planets Glossary: Includes definitions (English) [215 words, 20Oct2009, More info]
  95. GreenWeb Gardening Glossary: Includes definitions (English) [212 words, 17Aug2009, More info]
  96. Glossary of Genetic Terms: Includes definitions (English), phonic pronunciations [197 words, 15Nov2008, More info]
  97. Earthquake Image Glossary: Includes definitions (English), illustrations [189 words, 6Jul2009, More info]
  98. Game Theory Dictionary: Includes definitions (English) [184 words, 17Aug2009, More info]
  99. Statistics: Includes definitions (English), illustrations [162 words, 16Dec2009, More info]
  100. UNCChem Glossary: Includes definitions (English) [161 words, 16Dec2009, More info]
  101. Accelerator Glossary: Includes definitions (English) [161 words, 16Dec2009, More info]
  102. Archeological Collections Glossary: Includes definitions (English) [148 words, 20Oct2009, More info]
  103. GLOSSARY OF ORDINATION-RELATED TERMS: Includes definitions (English) [139 words, 20Oct2009, More info]
  104. Biological Control: Includes definitions (English) [133 words, 20Oct2009, More info]
  105. Evolution Glossary: Includes definitions (English) [126 words, 20Oct2009, More info]
  106. Misunderstood Physics Terms: Includes definitions (English) [126 words, 20Jun2009, More info]
  107. Cacti-Related Terminology: Includes definitions (English), synonyms, illustrations, data [123 words, 18Jun2009, More info]
  108. Dictionnaire de chimie: Includes definitions (French) [116 words, 16Dec2009, More info]
  109. Glossary of Flowers: Includes definitions (English), illustrations, data [110 words, 15Apr2008, More info]
  110. Medicinal Chemistry: Includes definitions (English) [110 words, 20Oct2009, More info]
  111. Dictionary of anthropology: Includes definitions (English) [109 words, 20Oct2009, More info]
  112. USGS Paleontology Glossary of Terms: Includes definitions (English) [107 words, 16Nov2009, More info]
  113. Rhododendron Glossary: Includes definitions (English) [106 words, 17Aug2009, More info]
  114. Dictionary of anthropology: Includes definitions (English) [105 words, 30May2009, More info]
  115. Statistics (in particular, re-randomisation statistics): Includes definitions (English) [105 words, 11Sep2009, More info]
  116. Biodiversity: Includes definitions (English) [105 words, 11Feb2009, More info]
  117. ORCHID GLOSSARY: Includes definitions (English) [97 words, 6Jul2009, More info]
  118. Weathervane (Global Climate Policy): Includes definitions (English), translations (English, French, German, Italian, Portuguese, Spanish, Danish, Dutch, Finnish, Hebrew, Korean, Latin, Norwegian, Swedish) [90 words, 12Nov2006, More info]
  119. Physic and Astronomy Glossary: Includes definitions (English) [83 words, 17Nov2009, More info]
  120. GLOSSARY of ARCHAEOLOGICAL TERMS: Includes definitions (English) [77 words, 24Sep2008, More info]
  121. Glossary of chlorine and other chemical related terms: Includes definitions (English) [77 words, 20Oct2009, More info]
  122. Field Trip to Mars: Includes definitions (English) [74 words, 6Jul2009, More info]
  123. Mussel Glossary: Includes definitions (English) [65 words, 20Oct2009, More info]
  124. Age of Exploration Vocabulary: Includes definitions (English) [61 words, 15Nov2008, More info]
  125. Dinosaurs: Includes definitions (English) [57 words, 20Jun2009, More info]
  126. Glossary of Earthquake and Related Terminology: Includes definitions (English) [53 words, 14Mar2010, More info]
  127. DRAGONFLY TERMS: Includes definitions (English) [53 words, 20Jun2009, More info]
  128. Internet Glossary of Statistical Terms: Includes definitions (English), illustrations [53 words, 17Aug2009, More info]
  129. Glossary of Common Tree Terms: Includes definitions (English) [47 words, 18Jun2009, More info]
  130. National Hurrican Center: Includes definitions (English) [47 words, 20Oct2009, More info]
  131. Visual of Special Plane Curves: Includes definitions (English), illustrations, origins [42 words, 30May2009, More info]
  132. Mars Glossary: Includes definitions (English) [42 words, 20Oct2009, More info]
  133. Math, geometry, trigonometry, and scientific terms: Includes translations (English, Turkish), sound pronunciations [38 words, 11Sep2006, More info]
  134. Graph Theory: Includes definitions (English), illustrations [35 words, 22Dec2009, More info]
  135. Glossary on Meteor Astronomy: Includes definitions (English) [32 words, 17Aug2009, More info]
  136. Twister: Includes definitions (English) [32 words, 29Aug2002, More info]
  137. The Pet Bird Page (Parrots): Includes definitions (English), illustrations [31 words, 14Mar2010, More info]
  138. Tsunami Terminology: Includes definitions (English) [30 words, 16Dec2009, More info]
  139. Hurricane and Tropical Cyclone Glossary: Includes definitions (English) [19 words, 17Aug2009, More info]
  140. EARLY PRIMATE EVOLUTION: Includes definitions (English), illustrations, sound pronunciations [14 words, 16Dec2009, More info]
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18,955,870 words in 1061 dictionaries indexed