粒りゅう子し径けい

noun

particle size; particle diameter

Technical term used in physics, chemistry, and materials science. Often interchangeable with 粒径 (りゅうけい).

See also: 粒径

• この粉ふん体たいの平へい均きん粒りゅう子し径けいは約やく50マイクロメートルです。

  The average particle size of this powder is about 50 micrometers.