| ACESCENCIES | • ACESCENCY n. the act of turning sour, acetous fermentation, also ACESCENCE. |
| ACESULFAMES | • acesulfames n. Plural of acesulfame. |
| BIRTHPLACES | • birthplaces n. Plural of birthplace. • BIRTHPLACE n. a place of birth or origin. |
| CYBERSPACES | • cyberspaces n. Plural of cyberspace. • CYBERSPACE n. the virtual world of computers. |
| HYDROSPACES | • hydrospaces n. Plural of hydrospace. • HYDROSPACE n. the regions beneath the oceans' surface. |
| HYPERSPACES | • hyperspaces n. Plural of hyperspace. • HYPERSPACE n. an imagined space having more than three dimensions. |
| INTERSPACES | • interspaces n. Plural of interspace. • interspaces v. Third-person singular simple present indicative form of interspace. • INTERSPACE v. to put spaces between. |
| PACESETTERS | • pacesetters n. Plural of pacesetter. • pace-setters n. Plural of pace-setter (alternative spelling of pacesetters). • pace␣setters n. Plural of pace setter. |
| PACESETTING | • pacesetting adj. Defining a pace. • pace-setting n. Alternative form of pacesetting. • PACESETTING n. the act of setting a pace. |
| PROTHORACES | • prothoraces n. Plural of prothorax. • PROTHORAX n. the first or anterior segment of the thorax in insects. |
| SCAPEGRACES | • scapegraces n. Plural of scapegrace. • SCAPEGRACE n. an incorrigible rascal. |
| SUBSURFACES | • subsurfaces n. Plural of subsurface. • SUBSURFACE n. earth material (as rock) near but not exposed at the surface of the ground. |