| ALKYLATIONS | • alkylations n. Plural of alkylation. • ALKYLATION n. making something an alkylate.
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| ANKYLOSAURS | • ankylosaurs n. Plural of ankylosaur. • ANKYLOSAUR n. a kind of dinosaur with a club tail, also ANKYLOSAURUS.
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| ARRHENOTOKY | • arrhenotoky n. (Biology) The production of male offspring by parthenogenesis. • ARRHENOTOKY n. giving birth only to boys.
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| DEUTEROTOKY | • deuterotoky n. The production of both male and female offspring by parthenogenesis. • DEUTEROTOKY n. parthenogenesis in which both males and females are produced.
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| JABBERWOCKY | • jabberwocky n. Invented or meaningless language; nonsense. • jabberwocky adj. Meaningless, worthless.
 • jabberwocky adj. Absurd, nonsense, nonsensical.
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| KYANISATION | • KYANISATION n. the process of kyanising, proofing against decay by saturating with a solution of corrosive sublimate, also KYANIZATION. | 
| KYANIZATION | • kyanization n. The act or process of kyanizing. • KYANIZATION n. the process of kyanizing, proofing against decay by saturating with a solution of corrosive sublimate, also KYANISATION.
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| KYMOGRAPHIC | • kymographic adj. Of or pertaining to a kymograph. • KYMOGRAPHIC adj. relating to a kymograph.
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| PILGARLICKY | • PILGARLICKY adj. like a pilgarlick, a bald person; a person looked upon with humorous contempt or mock pity. | 
| RHEUMATICKY | • rheumaticky adj. (Colloquial) Of, pertaining to or having rheumatism. • RHEUMATICKY adj. suffering from rheumatism.
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| SKYJACKINGS | • skyjackings n. Plural of skyjacking. • SKYJACKING n. the sport of jumping by parachute.
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| SKYLARKINGS | • skylarkings n. Plural of skylarking. • SKYLARKING n. frolicking, horseplay.
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| SKYROCKETED | • skyrocketed v. Simple past tense and past participle of skyrocket. • skyrocketed adj. Suddenly and rapidly increased.
 • SKYROCKET v. to go up like a skyrocket.
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| SKYSCRAPERS | • skyscrapers n. Plural of skyscraper. • SKYSCRAPER n. a very tall building.
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| SKYSCRAPING | • skyscraping adj. Extremely tall; as tall as a skyscraper. | 
| SKYSURFINGS | • SKYSURFING n. the sport of free-falling from an aeroplane with a modified surfboard attached to the feet, which is used to ride the air currents. | 
| SKYWATCHERS | • skywatchers n. Plural of skywatcher. | 
| SKYWATCHING | • skywatching v. Present participle of skywatch. • SKYWATCH v. to observe the sky for heavenly bodies or aircraft.
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| SKYWRITINGS | • SKYWRITING n. tracing words on the sky using smoke from an aircraft. | 
| STICKYBEAKS | • stickybeaks n. Plural of stickybeak. • stickybeaks v. Third-person singular simple present indicative form of stickybeak.
 • sticky-beaks n. Plural of sticky-beak.
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