noun, noun-modifying (irregular)
fine grain; fine granule; microsphere
Technical term used in materials science, geology, and related fields to describe small particles or grains. Can be used as a noun or prenominally.
This material has a fine-grained structure.
細粒の砂が風で飛ばされた。
Fine-grained sand was blown away by the wind.
fine particle fraction; fines
Compound of 細 (fine, small) and 粒 (grain, granule). The reading さいりゅう is the on'yomi for both kanji.