Vis"cous (?), a. [L. viscosus. See Viscid.]
Adhesive or sticky, and having a ropy or glutinous consistency; viscid; glutinous; clammy; tenacious; as, a viscous juice.
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Vis"cous*ness, n.
⇒ There is no well-defined distinction in meaning between viscous and viscid.
© Webster 1913.