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spherometer

noun

/sfɪˈrɒmɪtər/

Meaning

An instrument used for measuring the curvature of spherical surfaces.

The scientist used a spherometer to measure the lens curvature.

measuring device, optical instrument, gauge

none, unmeasured

use spherometer, precision spherometer, spherometer reading

a business or company; a project or undertaking that requires effort and initiative

a piece of cloth or material used to cover or mend a hole or a tear

A ruler with absolute power.

A person who hoards wealth and spends as little money as possible.

worthless nonsense or showy but worthless things

An item of food that can be eaten.