| APSIDIOLE | • apsidiole n. Alternative form of apsidole. • APSIDIOLE n. a subsidiary apse, a rounded extension at the end of a building, esp. at the east end of a church. | 
| ASYNAPSIS | • asynapsis n. (Biochemistry) The failure of synapsis during meiosis. • ASYNAPSIS n. a failure of the pairing of homologous chromosomes in meiosis. | 
| CAPSICINS | • CAPSICIN n. a liquid used as a flavoring. | 
| CAPSICUMS | • capsicums n. Plural of capsicum. • CAPSICUM n. a plant yielding (e.g. red or green) peppers; its fruit. | 
| CAPSIZALS | • capsizals n. Plural of capsizal. • CAPSIZAL n. the overturning of a boat. | 
| CAPSIZING | • capsizing v. Present participle of capsize. • capsizing n. An overturning of a boat etc. • CAPSIZE v. to overturn. | 
| DELAPSING | • delapsing v. Present participle of delapse. • DELAPSE v. to sink down. | 
| DELAPSION | • delapsion n. A falling down or out of place; prolapse. • DELAPSION n. a sinking down. | 
| ILLAPSING | • illapsing v. Present participle of illapse. • ILLAPSE v. to glide in. | 
| PERIAPSIS | • periapsis n. (Astronomy, astrophysics) The point of a body’s (elliptical) orbit in a 2-body gravitational system… • periapsis n. The minimum distance between the two bodies in such a system. • PERIAPSIS n. the closest point to a central body reached by a body in orbit. | 
| RELAPSING | • relapsing v. Present participle of relapse. • relapsing n. (Archaic) A relapse. • RELAPSE v. to slip back into a former state. | 
| STEAPSINS | • steapsins n. Plural of steapsin. • STEAPSIN n. an enzyme present in pancreatic juice, aka lipase. | 
| SYNAPSIDS | • synapsids n. Plural of synapsid. • SYNAPSID n. one of a group of extinct reptiles. | 
| SYNAPSING | • synapsing v. Present participle of synapse. • SYNAPSE v. to come together at a certain point. | 
| THERAPSID | • therapsid n. Any extinct reptile of the order Therapsida; thought to be direct ancestors of the mammals. • THERAPSID n. one of a group of Permian and Jurassic reptiles considered to be direct ancestors of mammals. |