actogramn.

Brit.

/ˈaktəɡram/, U.S.

/ˈæktəˌɡræm/

Origin: Formed within English, by compounding. Etymons: activity n., -o- connective, -gram comb. form.

Etymology: < act- (in activity n.) + -o- connective + -gram comb. form. Compare slightly earlier actograph n.

Physiology.

A record made by an actograph; a graphical representation of the movements made by an animal, fetus, or sleeping person during a period of observation.

ΚΠ

1928 Psychol. Abstr. 2 492 Actograms as clinical sleep controls... The movements of the mattress are registered by means of a rubber ball placed under it.

1941 Amer. Jrnl. Psychol. 54 112 Actograms of curves of sleep showed much individual difference.

2007 Jrnl. Insect Physiol. 53 1182/2 (caption) Solid lines above each actogram indicate the temperature regime.

This is a new entry (OED Third Edition, November 2010; most recently modified version published online December 2021).

单词	actogram
释义	actogramn. Brit. /ˈaktəɡram/, U.S. /ˈæktəˌɡræm/ Origin: Formed within English, by compounding. Etymons: activity n., -o- connective, -gram comb. form. Etymology: < act- (in activity n.) + -o- connective + -gram comb. form. Compare slightly earlier actograph n. Physiology. A record made by an actograph; a graphical representation of the movements made by an animal, fetus, or sleeping person during a period of observation. ΚΠ 1928 Psychol. Abstr. 2 492 Actograms as clinical sleep controls... The movements of the mattress are registered by means of a rubber ball placed under it. 1941 Amer. Jrnl. Psychol. 54 112 Actograms of curves of sleep showed much individual difference. 2007 Jrnl. Insect Physiol. 53 1182/2 (caption) Solid lines above each actogram indicate the temperature regime. This is a new entry (OED Third Edition, November 2010; most recently modified version published online December 2021). < n.1928
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