antiparallel
nounfemininetécnico/ɐ̃tipɐɾɐˈlɛlɐʃ/baixo
an·ti·pa·ra·le·las
Definition
(Geometry) Lines or line segments that, relative to two other lines, form equal angles but in opposite directions.
The diagonals of an isosceles trapezoid are antiparallel relative to the bases.
The concept of antiparallel lines is used in projective geometry.
Common collocations
antiparallel linesantiparallel segments
Etymology
Do prefixo grego 'anti-' (oposto) + 'paralelas'.