up-stroken.
/ˈʌpstrəʊk/, U.S. /ˈəpˌstroʊk/ 1. dialect. The upshot, end, or conclusion.
ΚΠ
1828– in Eng. Dial. Dict. (Yks., Lancs., Derby, Linc.).
2. A stroke delivered upwards.
ΘΚΠ
the world > movement > impact > striking > [noun] > stroke in or from specific direction
racec1400
by-blow1594
backblow1642
outstroke1688
up-stroke1828
understroke1837
in-stroke1887
1828 Gardener's Mag. 3 30 The air which enters from the valves by the up-stroke of the bellows.
1883 Encycl. Brit. XVI. 447/2 When the up-stroke is being made..the piston is forced to make part of a revolution.
3. The upward stroke of a pen, etc.
ΘΚΠ
society > communication > writing > handwriting or style of > formation of letters > [noun] > stroke
linea1382
tittlec1384
stroke1567
minim1587
pot-hook1611
dash1615
hair-stroke1634
hook1668
foot stroke1676
stem1676
duct1699
hanger1738
downstroke?1760
hairline1846
up-stroke1848
skit1860
pot-crook1882
ligature1883
coupling-stroke1906
bow1914
ductus1922
ascender1934
1848 C. Dickens Dombey & Son lix. 590 [She] clutches the money tight, until a receipt..is duly signed, to the last up-stroke.
1856 E. B. Browning Aurora Leigh i. 30 Some upstroke of an alpha and omega.
1898 T. C. Allbutt et al. Syst. Med. V. 822 In the irritable heart of young adults the upstroke in the sphygmogram is brisk and high.
4. Physiology. The part of a nerve impulse when the action potential is becoming more positive.
ΘΚΠ
the world > life > biology > biological processes > action of nervous system > [noun] > nerve impulse > unit or part of
psychon1920
up-stroke1974
1974 Nature 4 Jan. 69/2 The upstroke of the action potential is considered the result of a Hodgkin cycle.
1979 Sci. Amer. Sept. 65/2 The depolarizing upstroke of the action potential is produced mainly by the inflow of sodium ions into the terminal.
This entry has not yet been fully updated (first published 1926; most recently modified version published online December 2021).
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n.1828