| BIOCOENOLOGY | • biocoenology n. The study of biocoenoses. • BIOCOENOLOGY n. the study of biocoenoses. |
| GNOTOBIOLOGY | • gnotobiology n. (Biology) The study of animals in a microbe-free environment. • GNOTOBIOLOGY n. the study of life in germfree conditions. |
| HOMOLOGATION | • homologation n. (Organic chemistry) Any reaction that converts a compound into the next member of a homologous series… • homologation n. (Law) Official certification. • HOMOLOGATION n. confirmation, agreement. |
| NONPOISONOUS | • nonpoisonous adj. Not poisonous. • non-poisonous adj. Alternative spelling of nonpoisonous. • NONPOISONOUS adj. not poisonous. |
| ODONTOLOGIES | • ODONTOLOGY n. the study of teeth. |
| ODONTOLOGIST | • odontologist n. One who studies teeth. • ODONTOLOGIST n. a student of odontology. |
| ODONTOPHOBIA | • odontophobia n. An irrational fear of dentistry. • ODONTOPHOBIA n. the fear of teeth. |
| ONOMASIOLOGY | • onomasiology n. (Linguistics) A branch of lexicology concerned with the names of concepts. • ONOMASIOLOGY n. the branch of semantics concerned with the meanings of and meaning relations between individual words. |
| ONOMATOPOEIA | • onomatopoeia n. (Uncountable) The property of a word of sounding like what it represents. • onomatopoeia n. (Countable) A word that sounds like what it represents, such as "gurgle," "stutter," or "hiss". • onomatopoeia n. (Uncountable, rhetoric) The use of language whose sound imitates that which it names. |
| ONOMATOPOEIC | • onomatopoeic adj. Of or relating to onomatopoeia. • onomatopoeic adj. Having the property of onomatopoeia. • onomatopœic adj. Alternative spelling of onomatopoeic. |
| OPISTHOTONOS | • opisthotonos n. (Medicine) Sustained tetanic spasm in which the body is bent backwards and stiffened, as produced by various diseases. • OPISTHOTONOS n. extreme arching backwards of the spine and neck as a result of spasm of the muscles in that region, etc. |
| PODOCONIOSES | • PODOCONIOSIS n. endemic elephantiasis of the lower legs. |
| PODOCONIOSIS | • podoconiosis n. (Pathology) An endemic form of nonfilarial elephantiasis. • PODOCONIOSIS n. endemic elephantiasis of the lower legs. |
| POGONOTOMIES | • POGONOTOMY n. shaving. |