| COUNTERPARTS | • counterparts n. Plural of counterpart. • COUNTERPART n. one of two corresponding copies of a legal instrument. |
| INTERRUPTORS | • interruptors n. Plural of interruptor. • INTERRUPTOR n. one who interrupts, also INTERRUPTER. |
| NEUROPTERIST | • neuropterist n. An entomologist whose speciality is lacewings of the order Neuroptera. • NEUROPTERIST n. a person who studies the Neuropteroidea, lacewing flies. |
| ORTHOPTEROUS | • orthopterous adj. (Zoology) Belonging to the Orthoptera. • ORTHOPTEROUS adj. pertaining or belonging to insect order including grasshoppers, crickets, etc. |
| ORTHOTROPOUS | • orthotropous adj. (Botany, of an ovule) Growing straight and having the micropyle at the apex. • ORTHOTROPOUS adj. growing straight, so that the micropyle is opposite the stalk. |
| PARTURITIONS | • parturitions n. Plural of parturition. • PARTURITION n. the act of giving birth. |
| PERPETUATORS | • perpetuators n. Plural of perpetuator. • PERPETUATOR n. one who perpetuates. |
| PERTURBATORS | • perturbators n. Plural of perturbator. • PERTURBATOR n. one who perturbates. |
| PORTRAITURES | • portraitures n. Plural of portraiture. • PORTRAITURE n. the making of portraits. |
| POSTFRACTURE | • postfracture adj. (Medicine) After a bone fracture. • POSTFRACTURE adj. taking place after a fracture. |
| PRECONSTRUCT | • preconstruct v. (Transitive) To construct in advance. • PRECONSTRUCT v. to construct in advance. |
| PROSTITUTORS | • prostitutors n. Plural of prostitutor. • PROSTITUTOR n. one who prostitutes. |
| PROTUBERATES | • protuberates v. Third-person singular simple present indicative form of protuberate. • PROTUBERATE v. to bulge out. |
| RUPTUREWORTS | • ruptureworts n. Plural of rupturewort. • RUPTUREWORT n. a caryophyllaceous plant once thought to cure hernia. |
| SUPERPATRIOT | • superpatriot n. One who is extremely patriotic. • SUPERPATRIOT n. an exceptional patriot. |
| TETRAPTEROUS | • tetrapterous adj. (Entomology) Having four (two pairs of) wings. • TETRAPTEROUS adj. having four wings, also TETRAPTERAN. |
| TETRASPOROUS | • tetrasporous adj. Relating to tetraspores. • TETRASPOROUS adj. of or like a tetraspore, also TETRASPORIC. |
| VITUPERATORS | • vituperators n. Plural of vituperator. • VITUPERATOR n. one who vituperates. |