| COTTONMOUTHS | • cottonmouths n. Plural of cottonmouth. • COTTONMOUTH n. a venomous semiaquatic snake of swamps in southern US. |
| HETEROTOPOUS | • heterotopous adj. Exhibiting heterotopy. • HETEROTOPOUS adj. relating to heterotopy, displacement of an organ of the body, also HETEROTOPIC. |
| HOUNDSTOOTHS | Sorry, definition not available. |
| OCTOPETALOUS | • octopetalous adj. (Botany) Having eight petals. • OCTOPETALOUS adj. having eight petals. |
| OCTOSTICHOUS | • octostichous adj. (Botany) octastichous. • OCTOSTICHOUS adj. in eight rows, also OCTASTICHOUS. |
| ODONTOMATOUS | • odontomatous adj. Relating to an odontoma. • ODONTOMATOUS adj. like an odontoma, a tumour arising in connection with the teeth. |
| OPTOACOUSTIC | • optoacoustic adj. (Physics) Describing any of several interactions between light and sound. • OPTOACOUSTIC adj. relating to or combining both vision and hearing. |
| ORTHOPTEROUS | • orthopterous adj. (Zoology) Belonging to the Orthoptera. • ORTHOPTEROUS adj. pertaining or belonging to insect order including grasshoppers, crickets, etc. |
| ORTHOTROPOUS | • orthotropous adj. (Botany, of an ovule) Growing straight and having the micropyle at the apex. • ORTHOTROPOUS adj. growing straight, so that the micropyle is opposite the stalk. |
| OUTDOORSIEST | • outdoorsiest adj. Superlative form of outdoorsy: most outdoorsy. • OUTDOORSY adj. (colloq.) of an outdoors inclination. |
| PHOTOTONUSES | • PHOTOTONUS n. the sensitivity of a living organism to light. |
| POLYGLOTTOUS | • polyglottous adj. (Rare) Speaking many languages; polyglot. • POLYGLOTTOUS adj. like a polyglot, also POLYGLOTTAL, POLYGLOTTIC. |
| TELEOSTOMOUS | • TELEOSTOMOUS adj. belonging to the Teleostomi, fishes with membrane bones in the skull. |
| TRICHOTOMOUS | • trichotomous adj. Divided into three parts, or into threes; forking three ways. • trichotomous adj. (Set theory) Such that, for all x and y in X, and for a binary relation R, exactly one of xRy, yRx or x=y holds. • TRICHOTOMOUS adj. divided into three parts. |
| TROUBLESHOOT | • troubleshoot v. (Transitive, intransitive) To analyze or diagnose (a problem, or something faulty) to the point of determining… • TROUBLESHOOT v. to solve problems. |
| WITHOUTDOORS | • withoutdoors adv. (Archaic) outdoors. • WITHOUTDOORS adv. outdoors. |