diameter


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diameter

di·am·e·ter

 (dī-ăm′ĭ-tər)
n.
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.

diameter

(daɪˈæmɪtə)
n
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]

di•am•e•ter

(daɪˈæm ɪ tər)

n.
1.
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.

diameter

- From Greek, meaning "measure through" (a circle or sphere, etc.).
See also related terms for sphere.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.diameter - the length of a straight line passing through the center of a circle and connecting two points on the circumferencediameter - the length of a straight line passing through the center of a circle and connecting two points on the circumference
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"

diameter

noun breadth, span, width, spread, beam, latitude, broadness, wideness the diameter of a human hair
Translations
průměr
diameter
halkaisijaläpimitta
promjer
átmérő
òvermál
直径
직경
diametras
diametrs
premer
diameter
เส้นผ่าศูนย์กลาง
đường kính

diameter

[daɪˈæmɪtəʳ] Ndiámetro m
it is one metre in diametertiene un diámetro de un metro, tiene un metro de diámetro

diameter

[daɪˈæmɪr] ndiamètre m
15 cm in diameter → 15 cm de diamètre

diameter

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

diameter

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

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 ?
There is some advantage in this; because these twin-tubs being so small they fit more readily into the boat, and do not strain it so much; whereas, the American tub, nearly three feet in diameter and of proportionate depth, makes a rather bulky freight for a craft whose planks are but one half-inch in thickness; for the bottom of the whale-boat is like critical ice, which will bear up a considerable distributed weight, but not very much of a concentrated one.
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.
Kimble was the Squire's sister, as well as the doctor's wife--a double dignity, with which her diameter was in direct proportion; so that, a journey up-stairs being rather fatiguing to her, she did not oppose Miss Nancy's request to be allowed to find her way alone to the Blue Room, where the Miss Lammeters' bandboxes had been deposited on their arrival in the morning.
It is situated on a mount at one angle of the inner court, and forms a complete circle of perhaps twenty-five feet in diameter.
It was only one substantial dish of meat (fit for the plain condition of a husbandman,) in a dish of about four-and-twenty feet diameter.
This spring, or rather these two springs, are two holes, each about two feet diameter, a stone's cast distant from each other; the one is but about five feet and a half in depth--at least we could not get our plummet farther, perhaps because it was stopped by roots, for the whole place is full of trees; of the other, which is somewhat less, with a line of ten feet we could find no bottom, and were assured by the inhabitants that none ever had been found.
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.
I found a large chamber, possibly a hundred feet in diameter and thirty or forty feet in height; a smooth and well-worn floor, and many other evidences that the cave had, at some remote period, been inhabited.
Some minutes afterwards they discovered the existence of a large hole, two yards in diameter, in the ship's bottom.
At the end of an hour the stone was extricated from the wall, leaving a cavity a foot and a half in diameter.
The volcanic plain in question forms an area of about sixty miles in diameter, where nothing meets the eye but a desolate and awful waste; where no grass grows nor water runs, and where nothing is to be seen but lava.
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.