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粒径 (ryuukei) Japanese meaning: particle diameter | Kotomora

粒りゅう径けい

りゅ

う

け

い

Meanings

1

particle diameter; grain size

Technical term used in physics, engineering, and materials science to describe the size of particles or grains.

この粉ふん体たいの粒りゅう径けいは均きん一いつである。
The particle size of this powder is uniform.

Kanji

粒grains, drop, counter for tiny particles
径diameter, path, method

Related words

粒りゅう子し径けい
Synonymous with 粒径; both refer to particle diameter. 粒子径 is slightly more explicit about 'particle'.
粒りゅう度ど
Refers to particle size or granularity, often used in contexts like soil or powder grading, but can be broader than diameter.

Etymology

Compound of 粒 (りゅう, 'grain, particle') and 径 (けい, 'diameter').

粒りゅう径けい分ぶん布ぷを測そく定ていする。

Measure the particle size distribution.