viscosity

Viscosity is the thickness of a liquid. Water flows easily. Honey does not — that's why it has greater viscosity than water.

Viscosity, pronounced "vis-KOSS-ih-tee," tells you how sticky a liquid is. In the working of machines and car engines, viscosity is important. Thick oils and lubricants that have high viscosity, meaning they coat and cling, keep hard metal parts from wearing down as they rub together. Oils with dense viscosity keep machine parts from having too much friction and burning out.

Definitions of viscosity
  1. noun
    resistance of a liquid to shear forces (and hence to flow)
    synonyms: viscousness
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    types:
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    stickiness
    the property of sticking to a surface
    sliminess
    a property resembling or being covered with slime
    cohesiveness, glueyness, gluiness, gumminess, ropiness, tackiness, viscidity, viscidness
    the property of being cohesive and sticky
    gelatinousness, glutinosity, glutinousness
    the property of having a viscosity like jelly
    adherence, adhesion, adhesiveness, bond
    the property of sticking together (as of glue and wood) or the joining of surfaces of different composition
    type of:
    body, consistence, consistency, eubstance
    the property of holding together and retaining its shape
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