diphasicadj.

/dʌɪˈfeɪzɪk/

Etymology: < Greek δι- (di- comb. form) twice + ϕάσις appearance, phase + -ic suffix.

Characterized by having two phases: spec. (a) used of an electric variation of which the period of duration is divided into two stages, one positive and the other negative; (b) marked by two phases or stages (e.g. of growth); (c) consisting of two phases of matter (solid, liquid, or gas).

ΘΚΠ

the world > matter > physics > electromagnetic radiation > electricity > electricity in living organisms > [adjective] > of currents

diphasic1881

triphasic1901

1881 J. S. Burdon-Sanderson in Philos. Trans. (Royal Soc.) 173 7 The diphasic character of the variation..is due to the interference of the opposite electromotive actions of the upper and under cells.

1900 W. A. N. Dorland Amer. Illustr. Med. Dict. 206/1 Diphasic, doubly varied; said of electric currents of action in muscle.

1932 J. S. Huxley Probl. Relative Growth ii. v. 70 ‘Diphasic’ mammals or birds such as arctic fox,..herons, owls, etc.

1936 Discovery Sept. 291/2 The diphasic wave that accompanies muscular and nervous activity.

1940 Chambers's Techn. Dict. 247/2 Diphasic, (of certain Trypanosomes) having a life-cycle which includes a free active stage.

1956 Nature 11 Feb. 280/1 Protozoa of this group [sc. Trypanosomidæ] being usually cultivated on complex diphasic media.

This entry has not yet been fully updated (first published 1896; most recently modified version published online June 2018).

单词	diphasic
释义	diphasicadj. /dʌɪˈfeɪzɪk/ Etymology: < Greek δι- (di- comb. form) twice + ϕάσις appearance, phase + -ic suffix. Characterized by having two phases: spec. (a) used of an electric variation of which the period of duration is divided into two stages, one positive and the other negative; (b) marked by two phases or stages (e.g. of growth); (c) consisting of two phases of matter (solid, liquid, or gas). ΘΚΠ the world > matter > physics > electromagnetic radiation > electricity > electricity in living organisms > [adjective] > of currents diphasic1881 triphasic1901 1881 J. S. Burdon-Sanderson in Philos. Trans. (Royal Soc.) 173 7 The diphasic character of the variation..is due to the interference of the opposite electromotive actions of the upper and under cells. 1900 W. A. N. Dorland Amer. Illustr. Med. Dict. 206/1 Diphasic, doubly varied; said of electric currents of action in muscle. 1932 J. S. Huxley Probl. Relative Growth ii. v. 70 ‘Diphasic’ mammals or birds such as arctic fox,..herons, owls, etc. 1936 Discovery Sept. 291/2 The diphasic wave that accompanies muscular and nervous activity. 1940 Chambers's Techn. Dict. 247/2 Diphasic, (of certain Trypanosomes) having a life-cycle which includes a free active stage. 1956 Nature 11 Feb. 280/1 Protozoa of this group [sc. Trypanosomidæ] being usually cultivated on complex diphasic media. This entry has not yet been fully updated (first published 1896; most recently modified version published online June 2018). < adj.1881
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