| ARBOVIRUSES | • arboviruses n. Plural of arbovirus. • ARBOVIRUS n. any of a group of viruses spread by mosquitoes. |
| CLOVERGRASS | • clover␣grass n. Clover (of genus Trifolium). • clover␣grass n. Halophila baillonis, a rare seagrass. • CLOVERGRASS n. clover as pasturage. |
| OBSERVATORS | • observators n. Plural of observator. • OBSERVATOR n. one who observes or takes notice. |
| OVERASSERTS | • overasserts v. Third-person singular simple present indicative form of overassert. • OVERASSERT v. to assert to excess. |
| OVERGRASSED | • overgrassed adj. (Obsolete) Overstocked, or overgrown, or covered, with grass. • OVERGRASS v. to grass over, conceal with grass. |
| OVERGRASSES | • OVERGRASS v. to grass over, conceal with grass. |
| OVERMASTERS | • overmasters v. Third-person singular simple present indicative form of overmaster. • OVERMASTER v. to overpower. |
| OVERPRAISES | • overpraises v. Third-person singular simple present indicative form of overpraise. • OVERPRAISE v. to praise excessively. |
| OVERSPREADS | • overspreads v. Third-person singular simple present indicative form of overspread. • OVERSPREAD v. to spread over or above. |
| OVERSTAYERS | • overstayers n. Plural of overstayer. • OVERSTAYER n. an immigrant worker who stays over the time allowed by his or her work permit. |
| OVERSTRAINS | • overstrains v. Third-person singular simple present indicative form of overstrain. • OVERSTRAIN v. to strain to excess. |
| REVALORISES | • REVALORISE v. to give a new value to; to restore value of currency, also REVALORIZE. |
| ROTAVIRUSES | • rotaviruses n. Plural of rotavirus. • ROTAVIRUS n. a wheel-shaped virus causing gastroenteritis. |
| VASOPRESSOR | • vasopressor adj. (Medicine) Of or relating to the constriction of blood vessels, which usually causes a rise in blood pressure. • vasopressor n. (Medicine) An agent that causes such constriction: a medication that tends to increase blood pressure. • VASOPRESSOR n. a drug causing a rise in blood pressure by exerting a vasoconstrictor effect. |