Definition

A tool used to measure how much light or other waves are reflected off a surface.

Example

The scientist used a reflectometer to analyze the reflective properties of the new material.

Conversation

Have you ever heard of a reflectometer?

No, what's that?

It's an instrument used to measure how much light reflects off a surface.

Oh, that sounds really useful for photography!

Synonyms & Antonyms

Root Explanation

Reflectometer → It is formed from "reflect" (from Latin "reflectere", meaning to bend back) and "-meter" (from Greek "metron", meaning measure). The word "reflectometer" refers to an instrument that measures the reflection of light or other waves.

Memory Tip

Think of bending light back ('reflect') and measuring it ('-meter') — that's what a reflectometer does.

Visually Confused Words