expression, noun
snow crystal; snowflake
Refers to an individual ice crystal that forms snow, often used in scientific or descriptive contexts. In everyday speech, 雪の結晶 is more precise than 雪片 (snowflake as a cluster).
雪の結晶は六角形の形をしている。
Snow crystals have a hexagonal shape.
顕微鏡で雪の結晶を観察した。
I observed snow crystals under a microscope.