| ARAEOSYSTYLES | • ARAEOSYSTYLE n. a building or colonnade alternately araeostyle and systyle, also AREOSYSTILE. |
| EXTRASYSTOLES | • extrasystoles n. Plural of extrasystole. • EXTRASYSTOLE n. a premature beat of one of the chambers of the heart that leads to momentary arrhythmia. |
| FISSIPAROUSLY | • fissiparously adv. In a fissiparous manner. • FISSIPAROUS adv. producing new biological units or individuals by fission, as with most strains of bacteria. |
| FORESTAYSAILS | • forestaysails n. Plural of forestaysail. • FORESTAYSAIL n. the sail attached to a forestay. |
| LARYNGOSPASMS | • laryngospasms n. Plural of laryngospasm. • LARYNGOSPASM n. spasmodic closure of the larynx. |
| PROSELYTISERS | • proselytisers n. Plural of proselytiser. • PROSELYTISER n. one who proselytises, also PROSELYTIZER. |
| PROSYLLOGISMS | • prosyllogisms n. Plural of prosyllogism. • pro-syllogisms n. Plural of pro-syllogism. • PROSYLLOGISM n. a syllogism whose conclusion forms the premise of another. |
| PURPOSELESSLY | • purposelessly adv. In a purposeless manner; to no end; for no reason. • PURPOSELESS adv. having no purpose. |
| REMORSELESSLY | • remorselessly adv. Without remorse; in a remorseless manner. • REMORSELESS adv. having no remorse. |
| SINISTRORSELY | • sinistrorsely adv. In a sinistrorse manner. • SINISTRORSE adv. rising spirally and turning from right to left. |
| SNOLLYGOSTERS | • snollygosters n. Plural of snollygoster. • SNOLLYGOSTER n. a shrewd unprincipled person, esp. a dishonest politician. |
| STREPTOLYSINS | • streptolysins n. Plural of streptolysin. • STREPTOLYSIN n. an antigenic hemolysin produced by streptococci. |
| TROLLEYBUSSES | • trolleybusses n. Plural of trolleybus. • trolley␣busses n. Plural of trolley bus. • TROLLEYBUS n. a bus running on an overhead electric wire. |