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permeant (adj.)
Related entries & more "passing through," 1640s, from Latin permeantem (nominative permeans), present participle of permeare "to pass through" (see permeable).
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en passant French, literally "in passing," from present participle of passer "to pass" (see pass (v.)). In reference to chess, first attested 1818.
Related entries & more gauntlet (n.2)military punishment in which offender runs between rows of men who beat him in passing; see gantlet.
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obsolescent (adj.)
Related entries & more "becoming obsolete, passing out of use," 1755, from Latin obsolescentum (nominative obsolescens), present participle of obsolescere "fall into disuse" (see obsolete).
Bessemer (adj.)by 1856 in reference to the process for decarbonizing and desiliconizing pig iron by passing air through the molten metal, named for engineer and inventor Sir Harry Bessemer (1813-1898) who invented it.
Related entries & more transit (n.)transitus "a going over, passing over, passage," verbal noun from past participle of transire "cross over, go over, pass over, hasten over, pass away," from trans "across, beyond" (see trans-) + ire "to go" (from PIE root *ei- "to go"). Meaning "a transit of a planet across the sun" is from 1660s. Meaning "public transportation" is attested from 1873. mid-15c., "act or fact of passing across or through," from Latin
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