| ARTHROSPORES | • arthrospores n. Plural of arthrospore. • ARTHROSPORE n. another name for an oidium. |
| INTERRUPTORS | • interruptors n. Plural of interruptor. • INTERRUPTOR n. one who interrupts, also INTERRUPTER. |
| MISREPORTERS | • misreporters n. Plural of misreporter. • MISREPORTER n. one who misreports. |
| PARATROOPERS | • paratroopers n. Plural of paratrooper. • PARATROOPER n. a member of the paratroops. |
| PERPETRATORS | • perpetrators n. Plural of perpetrator. • PERPETRATOR n. one who perpetrates. |
| PERSEVERATOR | • perseverator n. One who perseverates. • PERSEVERATOR n. one who perseverates. |
| PERSPIRATORY | • perspiratory adj. (Dated) Of or pertaining to perspiration. • PERSPIRATORY adj. of, relating to, secreting, or inducing perspiration. |
| PERTURBATORS | • perturbators n. Plural of perturbator. • PERTURBATOR n. one who perturbates. |
| PORTRAITURES | • portraitures n. Plural of portraiture. • PORTRAITURE n. the making of portraits. |
| PRESERVATORY | • preservatory n. (Obsolete) A preservative. • preservatory n. (Obsolete) A room or apparatus in which perishable things can be preserved without decay. • preservatory adj. Preservative. |
| PROPRIETRESS | • proprietress n. A female proprietor. • PROPRIETRESS n. a woman who is a proprietor, also PROPRIETRIX. |
| RECUPERATORS | • recuperators n. Plural of recuperator. • RECUPERATOR n. an arrangement by which something lost is regained, such as the heat of waste gases in a furnace. |
| REPATRIATORS | • repatriators n. Plural of repatriator. • REPATRIATOR n. one who repatriates. |
| REPRESENTORS | • representors n. Plural of representor. • REPRESENTOR n. a person who makes a representation in the course of contractual negotiations. |
| RESPIROMETER | • respirometer n. A device used to measure the rate of respiration of living organisms, such as plants or fish. • respirometer n. An apparatus for supplying air to a diver under water. • RESPIROMETER n. an instrument for measuring and studying respiration. |
| RESPIROMETRY | • respirometry n. A form of calorimetry that is used to measure the metabolic rate. • RESPIROMETRY n. measurement by respirometer. |
| RUPTUREWORTS | • ruptureworts n. Plural of rupturewort. • RUPTUREWORT n. a caryophyllaceous plant once thought to cure hernia. |
| SPORTSWRITER | • sportswriter n. Alternative form of sports writer (journalist who specializes in sports). • sports␣writer n. Someone who writes about sports-related topics professionally. • SPORTSWRITER n. a person who writes about sports esp. for a newspaper. |
| TRANSPORTERS | • transporters n. Plural of transporter. • TRANSPORTER n. one that transports. |
| UNDERREPORTS | • underreports v. Third-person singular simple present indicative form of underreport. • UNDERREPORT v. to report inadequately. |