Definition

The process of measuring the pressure or tension in a material or system.

Example

The doctor performed tonometry to check the pressure in the patient's eye.

Conversation

I just had my eye exam, and they did a tonometry test.

Oh really? What does that involve?

They measure the pressure in your eyes to check for glaucoma.

Interesting! I should get that checked too.

Synonyms & Antonyms

Root Explanation

Tonometry → It is formed from "tono-" (from Greek "tonos", meaning tension or tone) and "-metry" (from Greek "metron", meaning measure). The word refers to the measurement of tension or pressure, particularly in relation to the eye's intraocular pressure.

Memory Tip

Think of measuring 'tension' ('tono-') in the eye, which is what tonometry does.

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