humectantadj.n.

/hjuːˈmɛktənt/

Etymology: < Latin hūmectānt-em, present participle of hūmectāre to humect v.

A. adj.

1. ? Obsolete. Moistening, wetting.

ΘΚΠ

the world > matter > liquid > condition of being or making wet > [adjective] > wetting

moistinga1382

moistening1580

watering1581

madefying1646

humectant1659

wetting1661

irrigating1669

irriguous1684

humectating1738

1659 H. More Immortality of Soul iii. iv. 370 Which Fumes, if they be grosser and humectant, may raise [etc.].

2. Moisture-retaining.

ΘΚΠ

the world > matter > liquid > moisture or humidity > [adjective] > moisture-retaining

retentive1744

humectant1953

1953 Manuf. Chemist May 202/2 The humectant action is provided by a combination of glycerin and propylene glycol.

1960 McGraw-Hill Encycl. Sci. & Technol. VI. 221/1 Because of its humectant properties, it is sprayed on tobacco before it is processed to prevent crumbling.

B. n.

1. Medicine. A diluent.

ΘΚΠ

the world > health and disease > healing > medicines or physic > medicines for specific purpose > medicine to draw, disperse, etc., matter or humours > [noun] > medicine increasing fluid

diluter1718

diluent1721

humectant1822

humective1828

1822 J. M. Good Study Med. II. 45 Those medicines..supposed capable of dissolving that tenacity..denominated Diluents, Humectants, and Attenuants.

2. A substance used to reduce the loss of moisture; spec. a food additive that does this.

ΘΚΠ

the world > matter > liquid > moisture or humidity > [noun] > substance used to reduce loss of moisture

humectant1867

the world > food and drink > food > additive > [noun] > that reduces moisture loss

humectant1951

1867 F. J. S. Gorgas Harris's Dict. Med. Terminol., Dental Surg., & Collateral Sci. (ed. 3) 337/2 Humectant... In surgery, the substance for retaining moisture in a water dressing.

1951 M. B. Jacobs Chem. & Technol. Food & Food Products (ed. 2) III. xxxvii. 1979 Substances which retain moisture are known as humectants. They..prevent loss of moisture when incorporated into the foodstuff.

1954 Chem. & Engin. News 15 Feb. 685/2 The product can be used as..a humectant for cellulose and paper products, polishes, and tobacco.

1963 Residue Rev. II. 54 Some humectants have been used experimentally to reduce evaporation under conditions of low humidity... Rain can, of course, wash the chemical from the leaf surface.

1972 Sci. Amer. Mar. 19/3 Humectants, which are hygroscopic, offset changes in the humidity of the environment to which food is exposed.

This entry has not yet been fully updated (first published 1899; most recently modified version published online June 2021).

单词	humectant
释义	humectantadj.n. /hjuːˈmɛktənt/ Etymology: < Latin hūmectānt-em, present participle of hūmectāre to humect v. A. adj. 1. ? Obsolete. Moistening, wetting. ΘΚΠ the world > matter > liquid > condition of being or making wet > [adjective] > wetting moistinga1382 moistening1580 watering1581 madefying1646 humectant1659 wetting1661 irrigating1669 irriguous1684 humectating1738 1659 H. More Immortality of Soul iii. iv. 370 Which Fumes, if they be grosser and humectant, may raise [etc.]. 2. Moisture-retaining. ΘΚΠ the world > matter > liquid > moisture or humidity > [adjective] > moisture-retaining retentive1744 humectant1953 1953 Manuf. Chemist May 202/2 The humectant action is provided by a combination of glycerin and propylene glycol. 1960 McGraw-Hill Encycl. Sci. & Technol. VI. 221/1 Because of its humectant properties, it is sprayed on tobacco before it is processed to prevent crumbling. B. n. 1. Medicine. A diluent. ΘΚΠ the world > health and disease > healing > medicines or physic > medicines for specific purpose > medicine to draw, disperse, etc., matter or humours > [noun] > medicine increasing fluid diluter1718 diluent1721 humectant1822 humective1828 1822 J. M. Good Study Med. II. 45 Those medicines..supposed capable of dissolving that tenacity..denominated Diluents, Humectants, and Attenuants. 2. A substance used to reduce the loss of moisture; spec. a food additive that does this. ΘΚΠ the world > matter > liquid > moisture or humidity > [noun] > substance used to reduce loss of moisture humectant1867 the world > food and drink > food > additive > [noun] > that reduces moisture loss humectant1951 1867 F. J. S. Gorgas Harris's Dict. Med. Terminol., Dental Surg., & Collateral Sci. (ed. 3) 337/2 Humectant... In surgery, the substance for retaining moisture in a water dressing. 1951 M. B. Jacobs Chem. & Technol. Food & Food Products (ed. 2) III. xxxvii. 1979 Substances which retain moisture are known as humectants. They..prevent loss of moisture when incorporated into the foodstuff. 1954 Chem. & Engin. News 15 Feb. 685/2 The product can be used as..a humectant for cellulose and paper products, polishes, and tobacco. 1963 Residue Rev. II. 54 Some humectants have been used experimentally to reduce evaporation under conditions of low humidity... Rain can, of course, wash the chemical from the leaf surface. 1972 Sci. Amer. Mar. 19/3 Humectants, which are hygroscopic, offset changes in the humidity of the environment to which food is exposed. This entry has not yet been fully updated (first published 1899; most recently modified version published online June 2021). < adj.n.1659
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