quword 趣词
Word Origins Dictionary
- aqua fortis (n.)




- old name for "concentrated nitric acid," c. 1600, Latin, literally "strong water;" see aqua- + fort. So called for its power of dissolving metals (copper, silver) unaffected by other agents.
- catalysis (n.)




- 1650s, "dissolution," from Latinized form of Greek katalysis "dissolution, a dissolving" (of governments, military units, etc.), from katalyein "to dissolve," from kata- "down" (or "completely"), see cata-, + lyein "to loosen" (see lose). Chemical sense "change caused by an agent which itself remains unchanged" is attested from 1836, introduced by Swedish chemist Jöns Jakob Berzelius (1779-1848).
- dissolution (n.)




- late 14c., "separation into parts," also "frivolity, moral laxness, dissolute living," from Old French dissolution (12c.) and directly from Latin dissolutionem (nominative dissolutio) "a dissolving, destroying, interruption, dissolution," noun of action from past participle stem of dissolvere (see dissolve).
- dissolve (v.)




- late 14c. (transitive and intransitive) "to break up" (of material substances), from Latin dissolvere "to loosen up, break apart," from dis- "apart" (see dis-) + solvere "to loose, loosen" (see solve). Meaning "to disband" (an assembly) is early 15c. Related: Dissolved; dissolving.
- iridium (n.)




- 1804, Modern Latin, coined by its discoverer, English chemist Smithson Tennant (1761-1815) from Greek iris (genitive iridos) "rainbow;" so called for "the striking variety of colours which it gives while dissolving in marine acid" [Tennant]
- -lysis




- scientific/medical word-forming element meaning "loosening, dissolving, dissolution," from Greek lysis "a loosening, setting free, releasing, dissolution," from lyein "to unfasten, loose, loosen, untie" (see lose).
- lyso-




- word-forming element indicating "loosening, dissolving, freeing," before vowels lys-, from comb. form of Greek lysis "a loosening" (see lyse).
- solution (n.)




- late 14c., "a solving or being solved," from Old French solucion "division, dissolving; explanation; payment" or directly from Latin solutionem (nominative solutio) "a loosening or unfastening," noun of action from past participle stem of solvere "to loosen, untie, solve, dissolve" (see solve). Meaning "liquid containing a dissolved substance" is first recorded 1590s.
- stereoptican (n.)




- "double magic lantern producing dissolving views or impressions of three-dimensionality to pictured objects," 1858, from stereo- + Greek optikon, neuter of optikos "pertaining to sight" (see optic).
- suspension (n.)




- early 15c., "a temporary halting or deprivation," from Latin suspensionem (nominative suspensio) "the act or state of hanging up, a vaulting," noun of action, from past participle stem of suspendere "to hang up, cause to hang, suspend" (see suspend). Suspension of disbelief is from Coleridge:
A semblance of truth sufficient to procure for these shadows of imagination that willing suspension of disbelief for the moment, which constitutes poetic faith. ["Biographia Literaria," 1817]
Meaning "action of hanging by a support from above" is attested from 1540s. Meaning "particles suspended in liquid without dissolving" is from 1707. Suspension-bridge first recorded 1819 (earlier suspended bridge, 1796).