diagonal
noun/daɪˈæɡənl/
/daɪˈæɡənl/
- a straight line that joins two opposite sides of something at an angle; a straight line that is at an angleTopics Colours and Shapesc2Word Originmid 16th cent.: from Latin diagonalis, from Greek diagōnios ‘from angle to angle’, from dia ‘through’ + gōnia ‘angle’.
Definitions on the go
Look up any word in the dictionary offline, anytime, anywhere with the Oxford Advanced Learner’s Dictionary app.
Check pronunciation:
diagonal