Angle Meaning
/ˈæŋ.ɡəl/Definition, CEFR level B1, pronunciation, examples, and quiz.
Definition
nounA figure formed by two rays which start from a common point (a plane angle) or by three planes that intersect (a solid angle).
nounThe measure of such a figure. In the case of a plane angle, this is the ratio (or proportional to the ratio) of the arc length to the radius of a section of a circle cut by the two rays, centered at their common point. In the case of a solid angle, this is the ratio of the surface area to the square of the radius of the section of a sphere.
Sentence Examples
Word Origin & History
Etymology tree Proto-Indo-European *h₂eng- Proto-Indo-European *h₂engulos Proto-Italic *angulos Latin angulusder. Middle French anglebor. Middle English angle English angle From Middle English angle, angul, angule, borrowed from Middle French angle, from Latin angulus, anglus (“corner, remote area”). Cognate with Old High German ancha (“nape of the neck”), Middle High German anke (“joint of the foot, nape of neck”). Doublet of angulus and ankle.