| COLONOSCOPES | • colonoscopes n. Plural of colonoscope. • COLONOSCOPE n. a flexible viewing instrument passed into the colon through the anus. |
| MONOMORPHOUS | • monomorphous adj. Monomorphic. • MONOMORPHOUS adj. existing in one form only. |
| MONOPHYODONT | • monophyodont adj. (Biology) Having only one set of teeth. • monophyodont n. (Biology) Any organism with only one set of teeth. • MONOPHYODONT n. an animal with only one set of teeth. |
| NONPOISONOUS | • nonpoisonous adj. Not poisonous. • non-poisonous adj. Alternative spelling of nonpoisonous. • NONPOISONOUS adj. not poisonous. |
| ODONTOPHOBIA | • odontophobia n. An irrational fear of dentistry. • ODONTOPHOBIA n. the fear of teeth. |
| ODONTOPHORAL | • odontophoral adj. Relating to the odontophore. • ODONTOPHORAL adj. of or like an odontophore, the rasping apparatus in molluscs, also ODONTOPHORAN. |
| ODONTOPHORAN | • ODONTOPHORAN n. an odontophore, the rasping apparatus in molluscs. |
| ODONTOPHORES | • odontophores n. Plural of odontophore. • ODONTOPHORE n. the rasping apparatus in molluscs. |
| 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. |
| POGONOPHORAN | • pogonophoran n. (Biology) Any marine, wormlike invertebrate of the phylum Pogonophora. • pogonophoran adj. Characteristic of these creatures. • POGONOPHORAN n. any of a phylum Pogonophora of marine wormlike animals. |
| POGONOTOMIES | • POGONOTOMY n. shaving. |