SI Unit of Angular Measurement
This page is the CodyCross answer for the clue below from Botanical Garden, Group 1432, Puzzle 5 (Student Education).
Question is: SI Unit of Angular Measurement
and the answer is: RADIAN
Word Meaning:
RADIAN — (geometry) In the International System of Units, the derived unit of plane angle: the angle subtended at the centre of a circle by an arc of its circumference equal in length to the radius of the circle.
Definitions from Wiktionary.