We found 23 dictionaries that define the word life form:

General (18 matching dictionaries)

1. life form: Longman Dictionary of Contemporary English
2. life-form: Merriam-Webster
3. life form: Oxford Learner's Dictionaries
4. life form: American Heritage Dictionary of the English Language
5. life form: Collins English Dictionary
6. life form: Vocabulary.com
7. life-form: Wordnik
8. life form: Cambridge Advanced Learner's Dictionary
9. life form: Wiktionary
10. life-form: Webster's New World College Dictionary, 4th Ed.
11. life form: Dictionary.com
12. Life Form (novel), Life form: Wikipedia, the Free Encyclopedia
13. life form: Rhymezone
14. life form: FreeDictionary.org
15. life form: Mnemonic Dictionary
16. life form: TheFreeDictionary.com

Computing (1 matching dictionary)

17. Life-form, life form: Encyclopedia

Medicine (1 matching dictionary)

18. Life-form, life form: Medical dictionary

Science (3 matching dictionaries)

19. Botanical Terms (No longer online)
20. Glossary of Avian Terms For Use in Avian Conservation Biology (No longer online)
21. Biodiversity (No longer online)

(Note: See life_forms as well.)

Definitions from Wiktionary (life form) ▸ noun:  The morphology of an organism that distinguishes it from others. ▸ noun:  Alternative form of lifeform [Any specific living organism.] Similar: organism, living thing, being, lifeform, life-form, morph, morphoform, biomorphology, morphospecies, morphology, more... Opposite: inanimate, non-living, dead, lifeless Phrases: primitive life form, more... Adjectives: morphological, phylogenic, digenous, abiogenetic, gnotobiological, phyletic, phenological, meristic, eugenic, coevolutionary, morphotic ▸ Words similar to life form ▸ Usage examples for life form ▸ Idioms related to life form ▸ Wikipedia articles (New!) ▸ Words that often appear near life form ▸ Rhymes of life form ▸ Invented words related to life form