| COLONOSCOPIES | • colonoscopies n. Plural of colonoscopy. • COLONOSCOPY n. examination of the inside of the colon using a colonoscope, a flexible viewing instrument passed into the colon through the anus. |
| MONOPOLISATIONS | • MONOPOLISATION n. the act of monopolising, also MONOPOLIZATION. |
| NONPOISONOUS | • nonpoisonous adj. Not poisonous. • non-poisonous adj. Alternative spelling of nonpoisonous. • NONPOISONOUS adj. not poisonous. |
| ODONATOLOGISTS | • odonatologists n. Plural of odonatologist. • ODONATOLOGIST n. one who studies dragonflies. |
| ODONTOLOGISTS | • odontologists n. Plural of odontologist. • ODONTOLOGIST n. a student of odontology. |
| ONOMASIOLOGIES | • ONOMASIOLOGY n. the branch of semantics concerned with the meanings of and meaning relations between individual words. |
| ONOMATOLOGISTS | • onomatologists n. Plural of onomatologist. • ONOMATOLOGIST n. one who studies onomatology, the science of names. |
| ONOMATOPOESIS | • onomatopoesis n. Onomatopoeia. • ONOMATOPOESIS n. onomatopoeia, also ONOMATOPOEIA, ONOMATOPOIESIS. |
| ONOMATOPOIESES | • ONOMATOPOIESIS n. onomatopoeia, also ONOMATOPOEIA, ONOMATOPOESIS. |
| ONOMATOPOIESIS | • onomatopoiesis n. Onomatopoeia. • ONOMATOPOIESIS n. onomatopoeia, also ONOMATOPOEIA, ONOMATOPOESIS. |
| 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. |
| OPISTHOTONOSES | • 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. |
| POISONWOODS | • poisonwoods n. Plural of poisonwood. • POISONWOOD n. a poisonous tree of the cashew family native to Florida. |
| SIPHONOPHOROUS | • siphonophorous adj. Of or relating to the siphonophores. • SIPHONOPHOROUS adj. of or like a siphonophore, a type of colonial hydrozoan. |