Etymology
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deschooling (n.)

"act or process of removing the function of education from conventional schools to non-institutional systems of learning," 1970, coined by Austrian-born U.S. anarchist philosopher Ivan Illich (1926-2002), from de- + schooling.

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bionics (n.)

"the study of electronic systems which function in the manner of organic systems," 1959, from bio- "life" + second element from electronic; also see -ics.

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creative (adj.)

1670s, "having the quality or function of creating," from create + -ive. Of literature and art, "imaginative," from 1816, in Wordsworth. Creative writing is attested by 1848. Related: Creatively.

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clownage (n.)

1580s, "function or manners of a stage clown or jester," from clown (n.) + -age. From 1630s as "actions or behavior of a rustic."

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emasculation (n.)

"the act of depriving a male of the function which characterizes the sex; castration," also more generally "the act of depriving of vigor or strength," 1620s, noun of action from emasculate.

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register (n.2)

"assistant court officer in administrative or routine function," 1530s, now chiefly U.S., alteration of registrar (q.v) due to influence of register.

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pibroch (n.)

type of bagpipe music consisting of a series of variations on a theme, 1719, from Gaelic piobaireachd, literally "piper's art," from piobair "a piper" (from piob "pipe," an English loan word; see pipe (n.1)) + -achd, suffix denoting function.

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peptic (adj.)

1650s, "of or pertaining to the function of digestion;" 1660s, "promoting digestion," from Latin pepticus, from Greek peptikos "able to digest," from peptos "cooked, digested," verbal adjective of peptein "to cook" (from PIE root *pekw- "to cook, ripen").

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mentation (n.)

"mental function, the action or exercise of the mind" 1839, from Latin ment-, stem of mens "mind" (from PIE root *men- (1) "to think") + -ation. Also "a state of mind."

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corresponding (adj.)

1570s, "related by correspondence," present-participle adjective from correspond. Not common until 19c., when it took on the adjectival function of correspondent. Related: Correspondingly (1836).

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