also: ウイスカー · ホイスカ · ホイスカー
crystal whisker
Technical term in materials science and crystallography for a very thin, hair-like single crystal. Often used in contexts of reinforcement or electronic components.
This composite material is reinforced with whiskers.
ウィスカーは単結晶の細長い繊維状の結晶です。
A whisker is a slender, fiber-like single crystal.