tonometer

English

Etymology

Etymology tree

Proto-Indo-European *ten-

Proto-Indo-European *-os

Proto-Indo-European *tónos

Proto-Hellenic *tónos

Ancient Greek τόνος (tónos)der.

English tono-

Proto-Indo-European *meh₁-

Proto-Indo-European *-tḗr

Proto-Indo-European *-trom

Proto-Hellenic *-tron

Ancient Greek -τρον (-tron)

Ancient Greek μέτρον (métron)lbor.

French -mètrebor.

English -meter

English tonometer

From tono- + -meter.

Noun

tonometer (plural tonometers)

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

Synonyms

• tonograph

Derived terms

• myotonometer
• pneumotonometer

Related terms

• tonogram
• tonography
• tonometric
• tonometry