Definition

A tool that measures how sensitive photographic film or the human eye is to light.

Example

The photographer used a sensitometer to determine the best film for his project.

Conversation

Have you ever heard of a sensitometer?

Yeah, isn't it that device used to measure film sensitivity?

Exactly! I think it’s really important for photographers.

For sure, it can help them choose the right film for their shots.

Synonyms & Antonyms

Root Explanation

Sensitometer → It is formed from "sensus" (from Latin, meaning feeling or perception) and "-meter" (from Greek "metron", meaning measure). The word "sensitometer" refers to an instrument that measures sensitivity, particularly in photography or other fields where perception is key.

Memory Tip

Think of 'sensus' meaning feeling and 'meter' meaning measure — a sensitometer is a device that measures sensitivity.

Visually Confused Words