pin·hole

(pĭn′hōl′)

A tiny puncture made by or as if by a pin.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

pinhole

(ˈpɪnˌhəʊl)

1. a small hole made with or as if with a pin

2. (Archery) archery the exact centre of an archery target, in the middle of the gold zone

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

pin•hole

(ˈpɪnˌhoʊl)

n.

1. a small hole made by or as if by a pin.

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

[1670–80]

ThesaurusAntonymsRelated WordsSynonymsLegend:

Noun

pinhole - a small puncture that might have been made by a pin

puncture - a small hole made by a sharp object

Translations

ثَقْب صَغير

malá dírka

knappenåls-knappenålshul

Nadelloch

sténopétrou d'épingle

tûhegynyi lyuk

nálargat

knappenålshull

malá dierka

iğne deliği

针孔

pinhole

[ˈpɪnhəʊl]

A. N → agujero m de alfiler

B. CPD pinhole camera N → cámara f de agujero de alfiler

Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

pinhole

[ˈpɪnhəʊl] n → trou m d'épingle

Collins English/French Electronic Resource. © HarperCollins Publishers 2005

(pin) noun

1. a short, thin, pointed piece of metal used eg to hold pieces of fabric, paper etc together, especially when making clothes. The papers are fastened together by a pin.

2. a similar but more ornamental object. a hat-pin.

verb – past tense, past participle pinned –

1. to fasten with a pin. She pinned the material together.

2. to hold by pressing against something. The fallen tree pinned him to the ground.

ˈpincushion noun

a small cushion or similar object into which pins are pushed for keeping.

ˈpinhole noun

a hole made by a pin. A pinhole camera does not need a lens.

ˈpinpoint verb

to place or show very exactly. He pinpointed the position on the map.

ˈpin-up noun

1. a picture of an attractive girl (or man), often pinned on a wall. He has dozens of pin-ups in his room; (also adjective) a pin-up girl.

2. the girl (or man). She's the favourite pin-up of the soldiers.

pin down

to make (someone) give a definite answer, statement, opinion or promise. I can't pin him down to a definite date for his arrival.

pins and needles

a tingling feeling in one's hands, arms, feet or legs. I've got pins and needles in my arm.

Mentioned in

References in classic literature

Again and again I went carefully over every square inch of its surface, but the most that I could find was a tiny pinhole a little above and to the right of the door's center--a pinhole that seemed only an accident of manufacture or an imperfection of material.

I thought I knew, and, seizing a powerful magnifying glass from the litter of my pocket-pouch, I applied myself to a careful examination of the marble immediately about the pinhole in the door.

It was evident that for countless ages radium torches had been applied to this pinhole, and for what purpose there could be but a single answer--the mechanism of the lock was actuated by light rays; and I, John Carter, Prince of Helium, held the combination in my hand--scratched by the hand of my enemy upon his own torch case.

For fifty tals I let three units of light shine full in the pinhole, then one unit for one xat, and for twenty-five tals nine units.

View in context

Little Toomai turned, rustling in the fodder, and watched the curve of his big back against half the stars in heaven, and while he watched he heard, so far away that it sounded no more than a pinhole of noise pricked through the stillness, the "hoot-toot" of a wild elephant.

View in context

An American man was arrested on Sunday afternoon (May 5) after he was caught taking photos under women's skirts in Taipei using a pinhole camera concealed in his shoe.

American man caught taking 'upskirt' photos in Taipei

Sometimes, a garden hose will spring a pinhole. Every leak will reduce the amount of water reaching your plants, and will thus increase the time you have to spend watering, especially in hot, dry weather.

A Quick Way to Repair Pinholes in Hoses

At the tail end of the launch, Samsung teased its upcoming Galaxy A8s smartphone, which is rumoured to feature a pinhole for the front camera so that there's no notch on the display.

Samsung Galaxy A8s goes around the notch with a display hole for front camera

Worldwide Pinhole Photography Day is on April 29, 2018.

On photo contests

An appropriate filter pinhole has been selected to filter out high-frequency modulation, sequentially sharply minimizing nonlinear self-focusing effect [12,13].

Characteristics of Local Modulation Beam Propagating through Spatial Filter System

A pinhole acts like a tiny lens, creating a focused image.

Low-tech eclipse viewing: what to do if you're caught without optics on eclipse day

Both planar imaging (with parallel hole or pinhole collimators) and three-dimensional (3D) imaging (SPECT and SPECT/CT) are widely used.

[sup.99m]Tc-Sestamibi/[sup.123]I Subtraction SPECT/CT in Parathyroid Scintigraphy: Is Additional Pinhole Imaging Useful?