Word data

HSK Not in HSK

FREQUENCY Unknown

硅質岩 guī zhì yán

siliceous rock (mostly composed of silica)

Word data

HSK	Not in HSK
Frequency	Unknown

Definitions

1. siliceous rock (mostly composed of silica)

Characters

Character	Meaning
硅 guī	silicon (chemistry)
質 zhì	quality; nature; to question
岩 yán HSK 6	rock; cliff; variant of 岩yán