| ACCOMPANYISTS | • accompanyists n. Plural of accompanyist. • ACCOMPANYIST n. one who accompanies another, also ACCOMPANIST. |
| APOCALYPTISMS | • APOCALYPTISM n. the doctrine of the imminent end of the world, also APOCALYPTICISM. |
| ASTRODYNAMICS | • astrodynamics n. The study of the motion of rockets and other spacecraft usually from Newton’s laws of motion and Newton’s… • ASTRODYNAMICS n. the science of the motion of bodies in outer space and the forces that act on them. |
| GYNECOMASTIAS | • gynecomastias n. Plural of gynecomastia. • GYNECOMASTIA n. excessive development of the breast in the male, also GYNAECOMASTIA, GYNAECOMASTY. |
| HYSTEROMANIAS | • HYSTEROMANIA n. hysterical mania, often marked by erotic delusions and an excessive desire to attract attention. |
| IMPASSABILITY | • impassability n. The state or quality of being impassable. • IMPASSABILITY n. the state of being impassable. |
| MICROANALYSTS | • microanalysts n. Plural of microanalyst. • MICROANALYST n. one who undertakes microanalysis. |
| PARASYMBIONTS | • parasymbionts n. Plural of parasymbiont. • PARASYMBIONT n. a partner in parasymbiosis. |
| QUARRYMASTERS | • quarrymasters n. Plural of quarrymaster. • QUARRYMASTER n. one in charge of a quarry. |
| STOMATOPLASTY | • stomatoplasty n. (Surgery) The operation of forming a mouth where the aperture has been contracted or deformed. • STOMATOPLASTY n. plastic surgery of the mouth. |
| SYNAPOSEMATIC | • SYNAPOSEMATIC adj. having a warning coloration common to a number of dangerous species in the same region. |
| SYNTAGMATITES | • syntagmatites n. Plural of syntagmatite. • SYNTAGMATITE n. a kind of hornblende. |
| SYSTEMATICIAN | • systematician n. A person who works or studies according to a system. • SYSTEMATICIAN n. one who studies systems. |
| TRYPARSAMIDES | • tryparsamides n. Plural of tryparsamide. • TRYPARSAMIDE n. a synthetic crystalline compound of arsenic used in the treatment of trypanosomal and other protozoan infections. |
| YACHTSMANSHIP | • yachtsmanship n. The skill or art of sailing a yacht. • YACHTSMANSHIP n. the art of sailing a yacht. |