Definition

A unit used to measure angles, which is equal to one thousandth of a radian.

Example

The angle was measured in milliradians for precision in the calculations.

Conversation

Did you know that a milliradian is a unit of angular measurement?

Really? I had no idea what that meant until now.

Yeah, it’s one thousandth of a radian, which is pretty interesting.

That sounds useful in fields like engineering or physics.

Synonyms & Antonyms

Root Explanation

Milliradian is formed from "milli-" (meaning one thousandth) and "radian" (from Latin "radius", meaning ray or spoke). The term milliradian refers to one thousandth of a radian, a unit of angular measurement.

Memory Tip

Think of 'milli-' meaning one thousandth, and 'radian' relating to a ray or angle — so a milliradian is one thousandth of an angle.

Visually Confused Words