diameter

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diameter

di·am·e·ter

(dī-ăm′ĭ-tər)

1. Abbr. d or diam. Mathematics

a. A straight line segment passing through the center of a figure, especially of a circle or sphere, and terminating at the periphery.

b. The length of such a segment.

2. Thickness or width.

3. A unit of magnification equal to the number of times an object's linear dimensions is increased by the magnifying apparatus.

[Middle English diametre, from Old French, from Latin diametrus, from Greek diametros (grammē), diagonal (line) : dia-, dia- + metron, measure; see mē- in Indo-European roots.]

di·am′e·tral (-trəl) adj.

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.

diameter

(daɪˈæmɪtə)

1. (Mathematics)

a. a straight line connecting the centre of a geometric figure, esp a circle or sphere, with two points on the perimeter or surface

b. the length of such a line

2. the thickness of something, esp with circular cross section

[C14: from Medieval Latin diametrus, variant of Latin diametros, from Greek: diameter, diagonal, from dia- + metron measure]

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

di•am•e•ter

(daɪˈæm ɪ tər)

n.

a. a straight line passing through the center of a circle or sphere and meeting the circumference or surface at each end.

b. a straight line passing from side to side of any figure or body, through its center.

2. the length of such a line.

3. the width of a circular or cylindrical object.

[1350–1400; Middle English diametre < Old French < Latin diametros < Greek diámetros diagonal, diameter =dia- dia- + -metros, derivative of métron meter¹]

di•am′e•tral, adj.

di·am·e·ter

(dī-ăm′ĭ-tər)

1. A straight line segment that passes through the center of a circle or sphere from one side to the other.

2. The length of such a line segment.

The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

diameter

- From Greek, meaning "measure through" (a circle or sphere, etc.).

diameter

noun breadth, span, width, spread, beam, latitude, broadness, wideness the diameter of a human hair

Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002

Translations

قُطْر

průměr

diameter

Durchmesser

διάμετρος

diámetro

halkaisijaläpimitta

diamètre

promjer

átmérő

òvermál

diametro diametri diametricalmente

直径

직경

diametras

diametrs

premer

diameter

เส้นผ่าศูนย์กลาง

çap

đường kính

直径

diameter

[daɪˈæmɪtəʳ] N → diámetro m
it is one metre in diameter → tiene un diámetro de un metro, tiene un metro de diámetro

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

diameter

[daɪˈæmɪtə^r] n → diamètre m
15 cm in diameter → 15 cm de diamètre

Collins English/French Electronic Resource. © HarperCollins Publishers 2005

diameter

n → Durchmesser m; to be one foot in diameter → einen Durchmesser von einem Fuß haben; what’s its diameter? → welchen Durchmesser hat es?, wie groß ist es im Durchmesser?

Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

diameter

[daɪˈæmɪtəʳ] n → diametro
it is one metre in diameter → misura un metro di diametro

Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995

diameter

(daiˈӕmitə) noun

(the length of) a straight line drawn from side to side of a circle, passing through its centre. Could you measure the diameter of that circle?

diameter

→ قُطْر průměr diameter Durchmesser διάμετρος diámetro halkaisija diamètre promjer diametro 直径 직경 diameter diameter średnica diâmetro диаметр diameter เส้นผ่าศูนย์กลาง çap đường kính 直径

di·am·e·ter

n. diámetro.

diameter

n diámetro

References in classic literature ?

The horizontal diameter was fifty feet, and the vertical diameter seventy-five feet.

View in context

"Would you give your projectile a diameter of sixty feet?"

View in context

The flying or floating island is exactly circular, its diameter 7837 yards, or about four miles and a half, and consequently contains ten thousand acres.

View in context

Not the wondrous cistern in the whale's huge head; not the prodigy of his unhinged lower jaw; not the miracle of his symmetrical tail; none of these would so surprise you, as half a glimpse of that unaccountable cone, -- longer than a Kentuckian is tall, nigh a foot in diameter at the base, and jet-black as Yojo, the ebony idol of Queequeg.

View in context

Of course by doubling this distance, and adding to it the diameter of the earth, we get the diameter of the circle, or orbit, in which the moon moves around the earth.

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Now imagine a Priest, whose mouth is at M, and whose front semicircle(AMB) is consequently coloured red, while his hinder semicircle is green; so that the diameter AB divides the green from the red.

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The tower within forms a complete circle, twenty-one feet in diameter, the walls fourteen feet thick.

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Estimating the size of the creature by comparison with the diameter of the large trees near which it passed -- the few giants of the forest which had escaped the fury of the land-slide -- I concluded it to be far larger than any ship of the line in existence.

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He constructed his cabin of small logs about six inches in diameter, stopping the chinks with clay which he found at the depth of a few feet beneath the surface soil.

View in context

"Here is shelter for one at least, John Carter," he said, and, glancing down, I saw an opening in the base of the tree about three feet in diameter.

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There also I have found, in considerable quantities, curious balls, composed apparently of fine grass or roots, of pipewort perhaps, from half an inch to four inches in diameter, and perfectly spherical.

View in context

There was the mainmast, fifteen inches in diameter at what was now the butt, still sixty-five feet in length, and weighing, I roughly calculated, at least three thousand pounds.

Noun	1.	diameter - the length of a straight line passing through the center of a circle and connecting two points on the circumference diam radius, r - the length of a line segment between the center and circumference of a circle or sphere caliber, calibre, bore, gauge - diameter of a tube or gun barrel windage - the space between the projectile of a smoothbore gun and the surface of the bore of the gun length - the linear extent in space from one end to the other; the longest dimension of something that is fixed in place; "the length of the table was 5 feet"
	2.	diameter - a straight line connecting the center of a circle with two points on its perimeter (or the center of a sphere with two points on its surface) straight line - a line traced by a point traveling in a constant direction; a line of zero curvature; "the shortest distance between two points is a straight line"