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单词 diameter
释义

Trends of
diameter

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diameter

(daɪæmɪtəʳ)
Word forms: plural diameters
variable noun [oft in NOUN]
The diameter of a round object is the length of a straight line that can be drawn across it, passing through the middle of it.
...a tube less than a fifth of the diameter of a human hair.
...a length of 22-mm diameter steel pipe.
...a tiny capsule, between 1 and 3 millimetres in diameter.
Synonyms: breadth, span, width, spread More Synonyms of diameter

diameter in British English

(daɪˈæmɪtə)
noun
1. 
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
Word origin
C14: from Medieval Latin diametrus, variant of Latin diametros, from Greek: diameter, diagonal, from dia- + metron measure

diameter in American English

(daɪˈæmətər)
noun
1. 
a line segment passing through the center of a circle, sphere, etc. from one side to the other
2. 
the length of such a segment; width or thickness of a circular, or somewhat circular, figure or object
3.  Optics
the unit of measure of the magnifying power of a lens
Word origin
ME & OFr diametre < ML diametra < L diametrus < Gr diametros < dia-, through + metron, a measure: see meter1

Examples of 'diameter' in a sentence
diameter

Transfer the dough to a worktop and roll into a disc roughly 20cm in diameter and about the thickness of a 1 coin.
The Sun (2017)
The number defines the ratio of the circumference of a circle to its diameter.
Times, Sunday Times (2009)
Both sit on the diameter of a circle.
The Sun (2014)
We generally finish up with 9in diameter pots for most varieties.
Times, Sunday Times (2007)
The thinner the diameter of the pipe, the thicker the insulation it requires.
Times, Sunday Times (2011)
The six corners lie on a circle of diameter somewhere around 250 metres.
Times, Sunday Times (2012)
You will need a 20cm diameter cake tin with a removable base for this recipe.
Times, Sunday Times (2012)
Grease and line a 20cm diameter cake tin.
Times, Sunday Times (2016)
I grew this last summer in a 12in diameter plastic pot with great success.
The Sun (2010)
Only trees over 40cm in diameter can be tagged; anything smaller than that is protected.
Times, Sunday Times (2009)
Heat the olive oil in a small frying pan, about 20cm in diameter.
Times, Sunday Times (2009)
Each float has a pressure case made of aluminium that is about 1.3m long and about 20cm in diameter.
Times, Sunday Times (2010)

In other languages
diameter

British English: diameter /daɪˈæmɪtə/ NOUN
The diameter of a circle or sphere is the length of a straight line through the middle of it.
The tube is much smaller than the diameter of a human hair.
  • American English: diameter
  • Arabic: قُطْر
  • Brazilian Portuguese: diâmetro
  • Chinese: 直径
  • Croatian: promjer
  • Czech: průměr
  • Danish: diameter
  • Dutch: diameter
  • European Spanish: diámetro
  • Finnish: halkaisija
  • French: diamètre
  • German: Durchmesser
  • Greek: διάμετρος
  • Italian: diametro
  • Japanese: 直径
  • Korean: 직경
  • Norwegian: diameter
  • Polish: średnica
  • European Portuguese: diâmetro
  • Romanian: diametru
  • Russian: диаметр
  • Latin American Spanish: diámetro
  • Swedish: diameter
  • Thai: เส้นผ่าศูนย์กลาง
  • Turkish: çap
  • Ukrainian: діаметр
  • Vietnamese: đường kính

Chinese translation of 'diameter'

diameter

(daɪˈæmɪtəʳ)

n (c)

  1. 直径(徑) (zhíjìng)
    15 cm in diameter 直径(徑)为(為)15厘(釐)米 (zhíjìng wéi shíwǔ límǐ)
(noun) 
Definition
the length of such a line
the diameter of a human hair
Synonyms
breadth
The breadth of the whole camp was 400 metres.
span
width
The width of the road has been increased to 20 ft.
spread
The rhododendron grows to 18 inches with a spread of 24 inches.
beam
latitude
broadness
wideness
calibre
Next morning she was arrested and a .44 calibre revolver was found in her possession.
bore

Additional synonyms

in the sense of bore
Synonyms
diameter,
calibre
in the sense of calibre
Definition
the diameter of the bore of a gun or of a shell or bullet
Next morning she was arrested and a .44 calibre revolver was found in her possession.
Synonyms
diameter,
bore,
gauge,
measure
in the sense of spread
Definition
the wingspan of an aircraft or bird
The rhododendron grows to 18 inches with a spread of 24 inches.
Synonyms
extent,
reach,
span,
stretch,
sweep,
width,
compass

Synonyms of 'diameter'

diameter

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更新时间：2025/1/24 11:43:57