| INTERRUPTORS | • interruptors n. Plural of interruptor. • INTERRUPTOR n. one who interrupts, also INTERRUPTER. |
| PERPETRATORS | • perpetrators n. Plural of perpetrator. • PERPETRATOR n. one who perpetrates. |
| PERTURBATORS | • perturbators n. Plural of perturbator. • PERTURBATOR n. one who perturbates. |
| PERTURBATORY | • perturbatory adj. Relating to, or causing, perturbation. • perturbatory n. (Obsolete) The supposed power of deflecting the divining rod by magnetic influence. • PERTURBATORY n. something tending to perturb. |
| PORTRAITURES | • portraitures n. Plural of portraiture. • PORTRAITURE n. the making of portraits. |
| PROTOMARTYRS | • protomartyrs n. Plural of protomartyr. • PROTOMARTYR n. the first martyr in any cause, esp. St Stephen. |
| PYROTARTARIC | • pyrotartaric adj. (Chemistry) of, or relating to pyrotartaric acid or its derivatives. • PYROTARTARIC adj. as in pyrotartaric acid. |
| PYROTARTRATE | • pyrotartrate n. (Organic chemistry) Any salt or ester of pyrotartaric acid. • PYROTARTRATE n. a salt of tartaric acid. |
| REPATRIATORS | • repatriators n. Plural of repatriator. • REPATRIATOR n. one who repatriates. |
| 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. |
| TETRAPYRROLE | • tetrapyrrole n. (Biochemistry) any of several natural pigments having a structure of four pyrrole rings connected by… • TETRAPYRROLE n. a chemical group consisting of four pyrrole rings joined either in a straight chain or in a ring, as in chlorophyll. |
| TRANSPORTERS | • transporters n. Plural of transporter. • TRANSPORTER n. one that transports. |
| TRICORPORATE | • tricorporate adj. Tricorporal. • TRICORPORATE adj. having three bodies and one head, also TRICORPORATED. |