結けっ晶しょう粒りゅう

noun

crystal grain; individual unit cell of a crystal

Technical term in materials science and crystallography. Refers to a single crystalline region within a polycrystalline material.

• 金きん属ぞくの強きょう度どは結けっ晶しょう粒りゅうの大おおきさに影えい響きょうされる。

  The strength of a metal is affected by the size of its crystal grains.

• この合ごう金きんは結けっ晶しょう粒りゅうが細こまかいため、硬かたい。

  This alloy is hard because its crystal grains are fine.