/ ˈvɪskəs; NAmE / adjective
( technical ) ( of a liquid ) thick and sticky; not flowing freely
► vis·cos·ity / vɪˈskɒsəti; NAmE -ˈskɑːs-/ noun [ U ]
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WORD ORIGIN
late Middle English : from Anglo-Norman French viscous or late Latin viscosus , from Latin viscum birdlime.