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单词 whitening process
释义

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whitening process
attributive, with the sense of ‘of, relating to, or used in the process of whitening’, as whitening agent, whitening process, whitening toothpaste, etc.
ΚΠ
1731 Act to prevent Stealing of Linen from Fields (Act George II c. 16) 523 All..Persons, who..steal, and carry away, out of or from any whitening or bleaching Croft.
1797 F. Burney Let. 16 Nov. in Jrnls. & Lett. (1973) III. 38 The silver of our plated ones [sc. spoons] having feloniously made off under cover of the whitening brush.
1826 J. Galt Last of Lairds xxxiv. 304 Jenny..was..whitewashing the lintels of the lower windows with an old hearth-brush; her whitening-pot was a handless and cripple tureen.
1856 W. A. Miller Elements Chem. II. 864 The remarkable whitening power which nickel exerts on brass.
1886 Carroll (Georgia) Free Press 29 Jan. 4/1 A tablespoon of turpentine boiled with white clothes will greatly aid the whitening process.
1921 Indiana Farmer's Guide 26 Mar. 18 Cream of tartar is an excellent whitening agent.
1960 G. E. Evans Horse in Furrow v. 70 The making of whitening rolls or balls from chalk..used for decorating cottages.
1975 J. W. S. Judge tr. R. Mellafe Negro Slavery in Lat. Amer. i. 27 The upper levels of the social pyramid were becoming more..mixed with mestizo or Indian blood. This had a whitening effect.
1987 I. Shah Darkest Eng. xxxvi. 333 Mary scraped the black marble doorstep with the whitening stone.
2013 Q. A. Acton Dentifrices 1 The whitening toothpaste..showed similar color alteration as conventional toothpaste after a 12-week treatment.
extracted from whiteningn.
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更新时间:2024/11/13 12:25:45