Definition of Parallel

Parallel

Jargon-Free Definition

Lines that stay the same distance apart and never meet.

QCAA/AC9 Definition

Describes lines or line segments in a plane that remain equidistant and do not intersect.

Examples of Word Use in School

• Draw two parallel lines.
• Mark the parallel sides.
• Explain how you know the lines are parallel.

Mathematical Definition

Two lines in a plane are parallel if they do not intersect and have equal gradient.