Definition

Connected to or involving three lines.

Example

In geometry, a trilinear coordinate system uses three lines to define points in a plane.

Conversation

Have you ever heard of trilinear coordinates in math?

Yeah, I think they relate to points on a plane, right?

Exactly! It's fascinating how they connect three lines together.

Totally, it makes geometry so much more interesting!

Synonyms & Antonyms

Root Explanation

Trilinear is formed from "tri-" (meaning three) and "linear" (from Latin "linearis", meaning relating to lines). The word describes something that involves or relates to three lines.

Memory Tip

Think of 'three' ('tri-') lines ('linear') coming together — that's what trilinear means.

Visually Confused Words