uncouplingn.
The action of the verb.
ΘΚΠ
the world > food and drink > hunting > hunting with hounds > [noun] > releasing hounds
uncouplingc1369
allay1486
slip1602
throw-off1828
the world > matter > chemistry > organic chemistry > chemical processes or reactions > biochemical reactions and processes > [noun] > uncoupling
uncoupling1954
c1369 G. Chaucer Bk. Duchesse 377 With a grete horne [he] blewe thre mote At the vncoupylynge of hys houndys.
a1425 Edward, Duke of York Master of Game (Digby) xxxv He shulde blowe iii. longe moot to þe vncoupelynge.
1470–85 T. Malory Morte d'Arthur x. lii. 500 To the vncoupelynge, to the sekynge, to the rechate [etc.].
1611 R. Cotgrave Dict. French & Eng. Tongues Descouple, the vncoupling of houndes, or loossing them after their game.
1954 Proc. National Acad. Sci. U.S.A. 40 919 As much thyroxine was carried down by rat mitochondria which did not show any appreciable uncoupling.
1983 Nature 10 Feb. 512/1 A progressive uncoupling of [bacterial] growth and H2S production was observed during approach to the stationary state.
Compounds
C1. attributive and in other combinations, as uncoupling chain, uncoupling lever, uncoupling pole, uncoupling rod.
ΚΠ
1879 Car-Builder's Dict. 172/1 Uncoupling-chain, a chain by which the uncoupling lever of a Miller-coupler is connected with the coupling-hook or draw-bar.
1879 Car-Builder's Dict. 172/1 Uncoupling-lever, for Miller-coupler, a lever attached to the platform of a car, and connected by a chain with a Miller coupling-hook or draw-bar to disengage or uncouple it from the one on the adjoining car.
1895 Car-Builder's Dict. (ed. 3) 139/2 Uncoupling-rod,..a rod connecting the uncoupling-lever with the lock of an automatic coupler.
1976 A. White Long Silence ix. 88 Two trains were being worked... I counted five men walking about the yard with long un-coupling poles.
C2.
uncoupling agent n. Biochemistry = uncoupler n. at uncouple v. Derivatives.
ΘΚΠ
the world > matter > chemistry > organic chemistry > chemical processes or reactions > biochemical reactions and processes > [noun] > uncoupling > uncoupling agent
uncoupler1956
uncoupling agent1956
1956 Jrnl. Biol. Chem. 222 338 Certain uncoupling agents such as thyroxine and Ca++ caused rapid swelling of the mitochondria.
1981 Arch. Microbiol. CXXIX. 94/1 Inhibition was relieved by low concentrations of uncoupling agent.
This entry has not yet been fully updated (first published 1921; most recently modified version published online June 2020).
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n.c1369