viscidity

Thick, sticky consistency

Viscidity is the quality of being viscous—thick, sticky, and resistant to flow.

The term appears in technical contexts describing the physical properties of fluids: the viscidity of syrup, measuring the viscidity of blood plasma.

It overlaps with viscosity but sounds more literary and appears less frequently in scientific writing.

adhesion

stickiness

Adhesive property

tackinessSticky or vulgar quality
adherenceFaithful following of something
tenacityPersistent grip or resolve

clinginess · grip · bond · suction · cohesion · attachment · gluey · gummy · tarry · grippy

texture

gumminess

Sticky, chewy consistency

gooeySoft and sticky
slimyWet, slippery, unpleasant
gelatinousViscous and semisolid

pasty · mucilaginous · gloppy · ropy · clammy · smeary · glutinous · resinous · waxy · sappy

substances

mucilage

Viscous plant-derived adhesive

mucusProtective bodily secretion
syrupThick sugar liquid
molassesSyrup from cane processing

treacle · honey · tar · pitch · slime · gel · paste · resin · sap · glycerin

scientific

viscometer

Measures fluid flow resistance

non-NewtonianViscosity changes with stress
shearLateral sliding force
flowUnbroken forward movement

resistance · friction · intermolecular · polymer · colloidal · viscoelastic · fluidity · plasticity · deformation · capillarity

Opposites

fluid thickness/consistency

viscidityfluidity

State of flowing freely

wateriness · thinness · runniness · liquidity · flowability

texture/tactile quality

viscidityslipperiness

Lack of grip

smoothness · slickness · lubricity

Family

viscous, viscosity, viscid, inviscid, viscously

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