actographn.

Brit.

/ˈaktəɡrɑːf/,

/ˈaktəɡraf/, U.S.

/ˈæktəˌɡræf/

Origin: Formed within English, by compounding; modelled on a German lexical item. Etymons: activity n., -o- connective, -graph comb. form.

Etymology: < act- (in activity n.) + -o- connective + -graph comb. form, after German Aktograph (J. S. Szymanski 1914, in Pflügers Archiv f. die gesamte Physiol. 158 344).

A device for recording the movements of an animal, a sleeping person, or a fetus.

ΘΚΠ

the world > animals > zoology > [noun] > equipment

actograph1920

activity wheel1929

the world > animals > by habits or actions > habits and actions > [noun] > device enabling animal movement to be recorded

actograph1920

1920 Lancet 16 Oct. 808/2 The animals were placed under conditions as natural as possible in an apparatus which he [sc. J. S. Szymanski] calls an actograph.

1975 Sci. Amer. Feb. 70/3 As the incarcerated crab moves between ends of this improvised actograph the box teeters, closing a microswitch.

2004 Biol. Bull. 206 104/2 Four animals were selected at random from stock aquaria in the laboratory and placed into the artificial burrows of the actograph.

This entry has been updated (OED Third Edition, November 2010; most recently modified version published online December 2021).

单词	actograph
释义	actographn. Brit. /ˈaktəɡrɑːf/, /ˈaktəɡraf/, U.S. /ˈæktəˌɡræf/ Origin: Formed within English, by compounding; modelled on a German lexical item. Etymons: activity n., -o- connective, -graph comb. form. Etymology: < act- (in activity n.) + -o- connective + -graph comb. form, after German Aktograph (J. S. Szymanski 1914, in Pflügers Archiv f. die gesamte Physiol. 158 344). A device for recording the movements of an animal, a sleeping person, or a fetus. ΘΚΠ the world > animals > zoology > [noun] > equipment actograph1920 activity wheel1929 the world > animals > by habits or actions > habits and actions > [noun] > device enabling animal movement to be recorded actograph1920 1920 Lancet 16 Oct. 808/2 The animals were placed under conditions as natural as possible in an apparatus which he [sc. J. S. Szymanski] calls an actograph. 1975 Sci. Amer. Feb. 70/3 As the incarcerated crab moves between ends of this improvised actograph the box teeters, closing a microswitch. 2004 Biol. Bull. 206 104/2 Four animals were selected at random from stock aquaria in the laboratory and placed into the artificial burrows of the actograph. This entry has been updated (OED Third Edition, November 2010; most recently modified version published online December 2021). < n.1920
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