| COGENERATORS | • cogenerators n. Plural of cogenerator. • COGENERATOR n. a device for cogeneration, the production of electricity from waste heat.
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| CONCERTGOERS | • concertgoers n. Plural of concertgoer. • concert-goers n. Plural of concert-goer.
 • CONCERTGOER n. one who frequently attends concerts.
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| CONGREGATORS | • congregators n. Plural of congregator. • CONGREGATOR n. one who congregates.
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| CORRUGATIONS | • corrugations n. Plural of corrugation. • CORRUGATION n. the act of corrugating.
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| COSTERMONGER | • costermonger n. (Britain) A trader who sells fruit and vegetables from a cart or barrow in the street. • coster-monger n. (Britain) Alternative form of costermonger.
 • COSTERMONGER n. a hawker of fruits, vegetables, fish, etc., also COSTARDMONGER.
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| GASTRONOMERS | • gastronomers n. Plural of gastronomer. • GASTRONOMER n. a connoisseur of good eating and drinking; a gourmet, also GASTROLOGER, GASTRONOME.
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| GERONTOCRATS | • gerontocrats n. Plural of gerontocrat. • GERONTOCRAT n. a member of a gerontocracy, government by the aged.
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| GOVERNORATES | • governorates n. Plural of governorate. • GOVERNORATE n. the office of governor.
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| INVIGORATORS | • invigorators n. Plural of invigorator. • INVIGORATOR n. one who invigorates.
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| LONGIROSTRAL | • longirostral adj. (Zoology) Having a long bill. • longirostral adj. (Zoology) Of or pertaining to the Longirostres.
 • LONGIROSTRAL adj. having an elongated beak.
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| OVERROASTING | • overroasting v. Present participle of overroast. • OVERROAST v. to roast too much.
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| PROCTORISING | • proctorising v. Present participle of proctorise. • PROCTORISE v. to exercise the power of a proctor against, also PROCTORIZE.
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| PROGESTERONE | • progesterone n. (Biochemistry, steroids, uncountable) A steroid hormone, secreted by the ovaries, whose function is… • progesterone n. (Biochemistry, steroids, countable) A synthetic version of the compound, used in contraceptive pills…
 • PROGESTERONE n. a female sex hormone that prepares the uterus for the fertilized ovum and maintains pregnancy.
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| PROROGATIONS | • prorogations n. Plural of prorogation. • PROROGATION n. the act of prorogating, postponing a meeting.
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| RISORGIMENTO | • Risorgimento prop.n. (Historical) The political and military movement that led to the unification of Italy in the 19th century. • Risorgimento prop.n. Renewal, revival, renaissance.
 • RISORGIMENTO n. (Italian) a time of renewal or renaissance; specifically, the 19th century movement for Italian political unity.
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| RUSTPROOFING | • rustproofing v. Present participle of rustproof. • RUSTPROOFING n. the act of making resistant to rust, such as by applying a coating.
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| SEROTONERGIC | • serotonergic adj. Containing or releasing serotonin. • serotonergic n. That which is serotonergic.
 • SEROTONERGIC adj. liberating, activated by, or involving serotonin in the transmission of nerve impulses, also SEROTONINERGIC.
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| SURROGATIONS | • surrogations n. Plural of surrogation. • SURROGATION n. subrogation.
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| TRIMETROGONS | • trimetrogons n. Plural of trimetrogon. • TRIMETROGON n. a technique of aerial photography using three cameras, which increases the range and detail of the coverage.
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