noun
stickiness; viscosity; glutinosity
Refers to the physical property of being sticky, viscous, or gluey, often used for food textures, adhesives, or liquids.
納豆の粘り気が強い。
The natto is very sticky.
この接着剤は粘り気が少ない。
This adhesive has low viscosity.
粘り is the noun form of the verb 粘る (to be sticky/persistent) and can also refer to stickiness or tenacity, but 粘り気 specifically emphasizes the sticky quality or texture.
粘度 is a more technical term for viscosity, often used in scientific or engineering contexts, while 粘り気 is a common word for stickiness in everyday language.
Compound of 粘り (ねばり, stickiness, from verb 粘る) + 気 (け, feeling/quality).