TROCHOIDS
15
Scrabble
15
WWF
T(1) R(1) O(1) C(3) H(4) O(1) I(1) D(2) S(1)
NWL/TWL ✓ Collins ✓ WWF ✓
Definition
noun
- The curve traced by a point on a circle as it rolls along a straight line
Source: Wiktionary
