| APOSTROPHES | • apostrophes n. Plural of apostrophe. • APOSTROPHE n. the addressing of a personified thing rhetorically. |
| APPARATUSES | • apparatuses n. Plural of apparatus. • APPARATUS n. things prepared or provided. |
| PANSPERMIST | • panspermist n. An advocate of panspermism; one who believes that life on Earth originated in outer space. • PANSPERMIST n. a believer in panspermism. |
| PENTAPRISMS | • pentaprisms n. Plural of pentaprism. • PENTAPRISM n. a five-sided prism used in photography. |
| PERIPATUSES | • peripatuses n. Plural of peripatus. • PERIPATUS n. a member of the genus Peripatus, having both arthropod and annelid characteristics. |
| PERSPIRATES | • perspirates v. Third-person singular simple present indicative form of perspirate. • PERSPIRATE v. to sweat. |
| PRAEPOSTORS | • praepostors n. Plural of praepostor. • PRAEPOSTOR n. (Latin) the name used for a prefect in some English public schools, also PREPOSITOR, PREPOSTOR. |
| SAPROPHYTES | • saprophytes n. Plural of saprophyte. • SAPROPHYTE n. a fungus or bacterium that feeds upon dead and decaying organic matter. |
| SPHEROPLAST | • spheroplast n. (Cytology) A cell from which the cell wall has been removed. • SPHEROPLAST n. a bacterium or yeast cell that is modified, as by enzymatic action, so that there is partial loss of the cell wall and increased osmotic sensitivity. |
| STEPPARENTS | • stepparents n. Plural of stepparent. • step-parents n. Plural of step-parent. • STEPPARENT n. a person who is a stepmother or stepfather. |
| STRAPPADOES | • strappadoes n. Plural of strappado. • STRAPPADO v. to torture by this. |
| SUPPLANTERS | • supplanters n. Plural of supplanter. • SUPPLANTER n. one who supplants. |
| SUPPRESSANT | • suppressant n. A substance that suppresses. • SUPPRESSANT n. a drug that tends to suppress or reduce in intensity rather than eliminate something. |
| TAPESCRIPTS | • tapescripts n. Plural of tapescript. • TAPESCRIPT n. a tape-recorded reading of a complete script. |
| TROPOPAUSES | • tropopauses n. Plural of tropopause. • TROPOPAUSE n. the level of the atmosphere where the troposphere ends and stratosphere begins. |
| WASTEPAPERS | • wastepapers n. Plural of wastepaper. • waste␣papers n. Plural of waste paper. • WASTEPAPER n. paper discarded as used, superfluous, or not fit for use. |