TONOMETER

tonometer

(noun) measuring instrument for measuring tension or pressure (especially for measuring intraocular pressure in testing for glaucoma)

Source: WordNet® 3.1


Etymology

Noun

tonometer (plural tonometers)

An instrument used to measure tension or pressure, especially inside the eye.

Synonyms

• tonograph

Source: Wiktionary


To*nom"e*ter, n. Etym: [Gr. -meter.]

1. (Physics.)

Definition: An instrument for determining the rate of vibrations in tones.

2. (Physiol.) (a) An apparatus for studying and registering the action of various fluids and drugs on the excised heart of lower animals. (b) An instrument for measuring tension, esp. that of the eyeball.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

2 April 2025

COVERT

(adjective) secret or hidden; not openly practiced or engaged in or shown or avowed; “covert actions by the CIA”; “covert funding for the rebels”


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