noun Etymology: International Scientific Vocabulary, irregular from pyr- + 2-ine Date: 1895 any of several basic xanthene dyes used chiefly as biological stains
PYRONINE
Meaning of PYRONINE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012