IPA: /juˈklɪdiən/
KK: /juˈklidɪn/
Relating to the geometry that is based on the principles established by the ancient mathematician Euclid, which includes concepts like points, lines, and planes in flat space.
In Euclidean geometry, the angles of a triangle always add up to 180 degrees.
Euclidean → It is derived from 'Euclid' (from Greek 'Eukleides', meaning 'good glory') and the suffix '-an' (meaning pertaining to). The term 'Euclidean' refers to concepts or geometries related to the mathematician Euclid, particularly his work in geometry.
Think of 'Euclid' as the mathematician known for his 'good glory' in geometry, and remember that 'Euclidean' means related to his geometric principles.