We found 29 dictionaries that define the word allotropy:

General (21 matching dictionaries)

1. allotropy: Merriam-Webster
2. allotropy: Oxford Learner's Dictionaries
3. allotropy: American Heritage Dictionary of the English Language
4. allotropy: Collins English Dictionary
5. allotropy: Vocabulary.com
6. allotropy: Wordnik
7. allotropy: Cambridge Advanced Learner's Dictionary
8. allotropy: Wiktionary
9. allotropy: Webster's New World College Dictionary, 4th Ed.
10. allotropy: The Wordsmyth English Dictionary-Thesaurus
11. allotropy: Infoplease Dictionary
12. allotropy: Dictionary.com
13. Allotropy: Wikipedia, the Free Encyclopedia
14. Allotropy: Online Plain Text English Dictionary
15. allotropy: Rhymezone
16. Allotropy: AllWords.com Multi-Lingual Dictionary
17. allotropy: FreeDictionary.org
18. allotropy: The Phrontistery - A Dictionary of Obscure Words
19. allotropy: Mnemonic Dictionary
20. allotropy: TheFreeDictionary.com
21. allotropy: Merriam-Webster

Computing (1 matching dictionary)

22. allotropy: Encyclopedia

Medicine (4 matching dictionaries)

23. allotropy: Merriam-Webster Medical Dictionary
24. Dorland's Illustrated Medical Dictionary (No longer online)
25. online medical dictionary (No longer online)
26. allotropy: Medical dictionary

Science (1 matching dictionary)

27. Allotropy: Extragalactic Astronomy

Tech (2 matching dictionaries)

28. Metal Terminology (No longer online)
29. Explosives (No longer online)

(Note: See allotropic as well.)

Definitions from Wiktionary (allotropy) ▸ noun:  (chemistry) A property, exhibited by some elements, of existing in multiple forms with different atomic structures. Similar: allotropism, polymorphism, pleomorphism, allotypy, multiple allelism, pleiomorphism, eolotropy, allotopia, heteromorphism, polymorph, more... Opposite: isotropy, homogeneity, uniformity Types: ferrite, austenite, martensite, cementite, pearlite, bainite, more... ▸ Words similar to allotropy ▸ Usage examples for allotropy ▸ Idioms related to allotropy ▸ Wikipedia articles (New!) ▸ Popular adjectives describing allotropy ▸ Words that often appear near allotropy ▸ Rhymes of allotropy ▸ Invented words related to allotropy