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Definition of viscosity

viscosity

/vɪˈskɑːsɪti/
vis · cos · i · ty
Adverb:viscously
•
Plural:viscosities
•
Adjective:viscous
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viscosity Lexical Profile

viscosity Game Scores & Validity

• noun

1

The state of being thick, sticky, and semifluid in consistency, due to internal friction; scientifically, a measure of a fluid's resistance to gradual deformation by shear or tensile stress.

Example

"Cold weather increases the viscosity of motor oil, making it harder for the engine to turn over in the morning."

Synonyms
View all synonyms for viscosity
Antonyms
View all antonyms for viscosity

• Rhymes for viscosity

• Nearby Words

visceral
viscerally
viscose
viscosity
viscount
viscountess
viscous

Word Origin & Etymology

Borrowed from Old French viscosite or Medieval Latin viscositatem, from Late Latin viscosus ('sticky'), derived from Latin viscum ('mistletoe' or the sticky birdlime made from its berries).

Cite this Entry

Wordmom. (2026). Definition of Viscosity. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/viscosity
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