TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

HYDROPHOBIC [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2011-07-13

English

Subject field(s)
  • Chemistry
  • Biochemistry
DEF

Is said of a colloid which is antagonistic to water.

CONT

Hydrophobic. Literally meaning "water-hating", this term describes substances which repel water and thus are difficult to "wet" or emulsify. Most notable of these are fats, waxes and oils, but this property also is found in many solids in finely divided form, e.g., carbon black, magnesium carbonate, and metal powders. Rubber is notably hydrophobic, as are many synthetic polymers. In liquids, this property is often due to differences in surface tension.

CONT

... water repellent surface that will adhere to air bubbles.

CONT

Hydrophobic hydrocarbon.

French

Domaine(s)
  • Chimie
  • Biochimie
DEF

Se dit d'un colloïde tendant, en milieu aqueux, à s'agréger par suite de non affinité pour l'eau.

CONT

Hydrocarbure hydrophobe.

OBS

Le corps chimique hydrophobe repousse l'eau par un phénomène de capillarité. Les paraffines ou les silicones en sont des exemples.

OBS

Ne pas confondre avec «hydrofuge»; les paraffines sont hydrofuges parce qu'elles sont hydrophobes.

Spanish

Campo(s) temático(s)
  • Química
  • Bioquímica
DEF

Dícese de ciertos grupos de moléculas que no tienen afinidad por el agua y que, al encontrarse en su seno, tienden a ser expulsados por las moléculas de la misma.

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Record 2 2000-03-27

English

Subject field(s)
  • Microbiology and Parasitology
DEF

A substance that tends to repel water.

Key term(s)
  • water-repellent substance

French

Domaine(s)
  • Microbiologie et parasitologie

Spanish

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