shí​ruǐ

litmus

石蕊 shí​ruǐ
litmus noun
A coloring matter extracted from lichens, used in chemistry as an acid-base indicator.
reindeer moss noun
A type of fruticose lichen commonly found in arctic and alpine regions, serving as food for reindeer.

Frequency

Movie subtitles
0.180 per million appears in 0% of films
Written text
0.077 per million

Sources

Definitions
CC-CEDICT