turnesol Noun, n, turnesol

  1. litmus

Appox. usage (any sense): 0.084 per million words

Appox. usage (any sense): 0.084 per million words


lacmus Noun, lacmus

  1. litmus

Appox. usage (any sense): less than 0.1 per million words

Appox. usage (any sense): less than 0.1 per million words