pinhole

[ pin-hohl ]

/ ˈpɪnˌhoʊl /

noun

a small hole made by or as by a pin.

a hole for a pin to go through; tiny aperture.

Origin of pinhole

First recorded in 1670–80; pin + hole

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for pin-hole

The existence of the pin-hole pupil is also a contraindication to its employment.
A System of Practical Medicine by American Authors, Vol. I|Various
A Pin-hole Camera is another extremely simple yet extraordinarily interesting contrivance (Fig. 100).
Toy-Making at Home|Morley Adams
This is best done through a filter perforated at its apex by a pin-hole.
A Practical Physiology|Albert F. Blaisdell
With the right eye look through the pin-hole, the left eye being closed.
A Practical Physiology|Albert F. Blaisdell

The pin-hole camera is simply a light-tight box with a small aperture in one side.
Physics|Willis Eugene Tower

British Dictionary definitions for pin-hole

pinhole

/ (ˈpɪnˌhəʊl) /

noun

a small hole made with or as if with a pin

archery the exact centre of an archery target, in the middle of the gold zone

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for pin-hole

pin-hole

1670s, from pin (n.) + hole (n.).

pinhole

noun

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Nearby words

Origin of pinhole

Examples from the Web for pin-hole

pinhole

noun

pin-hole