noun Etymology: New Latin, from Latin spira + Greek gyros ring, circle Date: 1875 any of a genus ( Spirogyra ) of freshwater green algae with spiral chloroplasts
SPIROGYRA
Meaning of SPIROGYRA in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012