diagonal

Từ điển Oxford Advanced Learner 8th

di·ag·onal [diagonal diagonals] adjective, noun BrE [daɪˈæɡənl] NAmE [daɪˈæɡənl]
adjective (of a straight line)
at an angle; joining two opposite sides of sth at an angle
•diagonal stripes

Word Origin:
mid 16th cent.: from Latin diagonalis, from Greek diagōnios ‘from angle to angle’, from dia ‘through’ + gōnia ‘angle’.
Derived Word: ↑diagonally
 
noun
a straight line that joins two opposite sides of sth at an angle; a straight line that is at an angle

Word Origin:
mid 16th cent.: from Latin diagonalis, from Greek diagōnios ‘from angle to angle’, from dia ‘through’ + gōnia ‘angle’.
 

• Từ đồng nghĩa / Synonyms:
  aslant, aslope, slanted, slanting, sloped, sloping, solidus, slash, virgule, stroke, separatrix, bias