| 单词 |
dosage |
| 释义 |
dosage|ˈdəʊsɪdʒ|
Also doseage.
[f. dose v. or n. + -age: cf. F. dosage.]
1. a. The adminstration of medicine in doses: esp. in reference to the size of the dose.
1876Bartholow Mat. Med. (1879) 190 As regards doseage, from fifteen to thirty grains every two, three, or four hours..is usually the necessary quantity. Ibid. 426 [No] arbitrary rules of dosage can be laid down. 1881Times 18 Apr. 10/4 Hahnemann's idea of dosage.
b. Used similarly in radiotherapy of X-rays and other ionizing radiation: see dose n.
1893A. S. Eccles Sciatica 56 Care must be taken not to exceed the dosage either in strength or duration. 1912Bythell & Barclay X-ray Diagnosis & Treatment 121 It is necessary to be extremely cautious until some idea is obtained as to the amount of dosage the skin will stand. 1918R. Knox Radiogr. & Radio-Therap. (ed. 2) ii. 424 The various systems of measuring the X-ray dosage. Ibid. 511 The most difficult question in radium treatment is that of dosage. 1928New Statesman 28 July 510/1 The most careful and experienced practitioner may sometimes cause an X-ray burn after dosages which he has used..without injury on hosts of occasions. 1938R. W. Lawson tr. Hevesy & Paneth's Man. Radioactivity (ed. 2) xxiv. 258 The maximum daily dosage of γ-rays. 1959Lab. Invest. VIII. 173 This lack of certainty..of the scope of autoradiographic method for radiation dosage measurement prompted us to investigate the problem.
2. The operation of dosing; addition of a dose or doses, e.g. to wine, etc.: see dose n. 2, v. 2 b.
1867C. A. Harris' Dict. Med. Terminol. (ed. 3) Dosage, a term applied in Chemistry to a plan of analysis in which the reagent is added in measured quantities, from a graduated tube, to a measured and weighed solution of the assay. 18..De Colange I. 138 (Cent.) The dosage varies with the quality of the wine. |
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