apertometer

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noun

An instrument designed to measure the numerical aperture of a lens or objective of a microscope.

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Meanings

nounapertometer (plural apertometers)

plural apertometers

  1. microscopyengineeringAn instrument designed to measure the numerical aperture of a lens or objective of a microscope.

Origin

From aperture + -o- + -meter.

Full word history & related roots →
Cite this entry
APA

apertometer. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/apertometer

MLA

“apertometer.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/apertometer. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “apertometer,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/apertometer.

Source: apertometer on Wiktionary, CC BY-SA 4.0.