noun Etymology: French planimètre, from Latin planum plane + French -mètre -meter Date: circa 1858 an instrument for measuring the area of a plane figure by tracing its boundary line
PLANIMETER
Meaning of PLANIMETER in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012