| DROPFORGED | • drop-forged adj. A workpiece that has been treated with drop forging. • DROPFORGE v. to forge metal between two dies. |
| DROPFORGES | • DROPFORGE v. to forge metal between two dies. |
| FROGHOPPER | • froghopper n. Any of various small insects of the superfamily Cercopoidea that feed on plant sap and whose larvae… • FROGHOPPER n. a froth-fly, aka spittlebug. |
| GYROCOPTER | • gyrocopter n. (Aviation) An autogyro, similar to a helicopter. • GYROCOPTER n. an airplane balanced and supported by the aerodynamic forces acting on rapidly rotating horizontal or slightly inclined airfoils, also GYROPLANE. |
| OPERAGOERS | • operagoers n. Plural of operagoer. • opera-goers n. Plural of opera-goer. • OPERAGOER n. one who attends the opera. |
| OREOGRAPHY | • oreography n. Alternative form of orography. • OREOGRAPHY n. the science of mountains, also OROGRAPHY. |
| OROGRAPHER | • orographer n. A specialist in orography. • OROGRAPHER n. one who practises orography, the science of mountains. |
| PROCTORAGE | • proctorage n. (Derogatory) Management by a proctor, or as if by a proctor; control; superintendence. • PROCTORAGE n. management by a proctor. |
| PROGENITOR | • progenitor n. A forefather, any of a person’s direct ancestors. • progenitor n. An individual from whom one or more people (Dynasty, tribe, nation...) are descended. • progenitor n. (Biology) An ancestral form of a species. |
| PROLONGERS | • prolongers n. Plural of prolonger. • PROLONGER n. one who, or that which, causes an extension in time or space. |
| PROROGATED | • prorogated v. Simple past tense and past participle of prorogate. • PROROGATE v. to end a session (of Parliament); to postpone (a meeting), also PROROGUE. |
| PROROGATES | • prorogates v. Third-person singular simple present indicative form of prorogate. • PROROGATE v. to end a session (of Parliament); to postpone (a meeting), also PROROGUE. |
| REPROOFING | • reproofing v. Present participle of reproof. • REPROOF v. to make waterproof again. |
| SEROGROUPS | • serogroups n. Plural of serogroup. • SEROGROUP n. any group of bacteria or other microorganisms that have a certain antigen in common. |
| ZOOGRAPHER | • zoographer n. One who carries out zoography; a describer of animals. • zoögrapher n. Alternative spelling of zoographer. • ZOOGRAPHER n. one who describes animals, their forms and habits, also ZOOGRAPHIST. |