per osadv.

Brit.

/pər ˈəʊs/, U.S.

/pər ˈoʊs/

Origin: A borrowing from Latin. Etymon: Latin per ōs.

Etymology: < classical Latin per ōs (in a medical context in Varro) < classical Latin per per prep. + ōs mouth (see oral adj.).

Medicine and Biology.

By way of the mouth; orally.

ΚΠ

1828 Lancet 29 Feb. 816/1 The administration of carbonic acid gas, per os et per anum, in large and repeated doses.]

1832 Lancet 3 Mar. 800/1 By hot diluted brandy and laudanum per os.

1904 Proc. Royal Soc. 1903–4 72 345 (note) From a cow having taken 144 grammes per os none was recovered.

1935 Amer. Jrnl. Surg. 27 333/2 The effect of definite amounts of alcohol, given per os, on habitues was observed.

1977 O. W. Richards & R. G. Davies Imms's Gen. Textbk. Entomol. (ed. 10) I. xvii. 302 The somewhat degenerate larva..is retained in the large, muscular vagina (uterus) of the mother where it feeds per os on the secretion of her hypertrophied uterine glands.

2003 Jrnl. Gen. Virol. 84 2041 Some of the mutants lacked the ability to infect S[podoptera] exigua larvae per os.

This is a new entry (OED Third Edition, December 2005; most recently modified version published online March 2022).

单词	per os
释义	per osadv. Brit. /pər ˈəʊs/, U.S. /pər ˈoʊs/ Origin: A borrowing from Latin. Etymon: Latin per ōs. Etymology: < classical Latin per ōs (in a medical context in Varro) < classical Latin per per prep. + ōs mouth (see oral adj.). Medicine and Biology. By way of the mouth; orally. ΚΠ 1828 Lancet 29 Feb. 816/1 The administration of carbonic acid gas, per os et per anum, in large and repeated doses.] 1832 Lancet 3 Mar. 800/1 By hot diluted brandy and laudanum per os. 1904 Proc. Royal Soc. 1903–4 72 345 (note) From a cow having taken 144 grammes per os none was recovered. 1935 Amer. Jrnl. Surg. 27 333/2 The effect of definite amounts of alcohol, given per os, on habitues was observed. 1977 O. W. Richards & R. G. Davies Imms's Gen. Textbk. Entomol. (ed. 10) I. xvii. 302 The somewhat degenerate larva..is retained in the large, muscular vagina (uterus) of the mother where it feeds per os on the secretion of her hypertrophied uterine glands. 2003 Jrnl. Gen. Virol. 84 2041 Some of the mutants lacked the ability to infect S[podoptera] exigua larvae per os. This is a new entry (OED Third Edition, December 2005; most recently modified version published online March 2022). < adv.1832
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