| ANECDYSIS | • ANECDYSIS n. a period between moults in arthropods. |
| DAILYNESS | • dailyness n. Alternative form of dailiness. • DAILYNESS n. the state of being daily, also DAILINESS. |
| DANDYISMS | • dandyisms n. Plural of dandyism. • DANDYISM n. the conduct of a dandy. |
| DESSYATIN | • DESSYATIN n. (Russian) a measure of land, also DESSIATINE, DESSYATINE, DESYATIN. |
| DESYATINS | • desyatins n. Plural of desyatin. • DESYATIN n. (Russian) a measure of land, also DESSIATINE, DESSYATIN, DESSYATINE. |
| DYINGNESS | • dyingness n. The state of dying or the stimulation of such a state; extreme languor. • DYINGNESS n. the state of dying or the simulation of such a state. |
| DYNAMISES | • dynamises v. Third-person singular simple present indicative form of dynamise. • DYNAMISE v. to make dynamic, also DYNAMIZE. |
| DYNAMISMS | • dynamisms n. Plural of dynamism. • DYNAMISM n. a theory of the universe in terms of energy. |
| DYNAMISTS | • dynamists n. Plural of dynamist. • DYNAMIST n. one who accounts for material phenomena by a theory of dynamics. |
| DYNASTIES | • dynasties n. Plural of dynasty. • DYNASTY n. a succession of rulers from the same line of descent. |
| DYSGENICS | • dysgenics n. Cacogenics. • DYSGENICS n. the study of racial degeneration. |
| DYSTONIAS | • dystonias n. Plural of dystonia. • DYSTONIA n. a condition of disordered tonicity of muscle tissue. |
| SYNAPSIDS | • synapsids n. Plural of synapsid. • SYNAPSID n. one of a group of extinct reptiles. |
| SYNERGIDS | • synergids n. Plural of synergid. • SYNERGID n. a cell found in the embryo sac of a seed plant. |
| SYSADMINS | • sysadmins n. Plural of sysadmin. • SYSADMIN n. a computer system administrator. |