diameter

English

Wikipedia

Diameter shown as a red line

Alternative forms

• diametre

Etymology

From Old French diametre (French diamètre), from Latin diametrus, from Ancient Greek διάμετρος ‎(diámetros) (γραμμή ‎(grammḗ)) (diametros grammē, “line measuring across”), from διά ‎(diá, “across”) + μέτρον ‎(métron, “measure”).

Pronunciation

• (UK) IPA^(key): /daɪˈæmɪtə(ɹ)/

• Audio (US)

  (file)

Noun

diameter ‎(plural diameters)

1. (geometry) Any straight line between two points on the circumference of a circle that passes through the centre/center of the circle.
2. (geometry) The length of such a line.
3. (geometry) The maximum distance between any two points in a metric space
4. (graph theory) The maximum eccentricity over all vertices in a graph.

Translations

line

• Armenian: տրամագիծ (hy) ‎(tramagic)
• Bengali: ব্যাস ‎(bjas)
• Catalan: diàmetre (ca) m
• Cebuano: latastid
• Chinese:

  Cantonese: 直徑, 直径 ‎(zik⁶ ging³)

  Mandarin: 直徑 (zh), 直径 (zh) ‎(zhíjìng)

• Dutch: middellijn (nl) f, diameter (nl) m
• Finnish: halkaisija (fi)
• French: diamètre (fr) m
• German: Durchmesser (de) m
• Haitian Creole: dyamèt
• Hebrew: קוטר (he) m ‎(qot'er)
• Hindi: व्यास (hi) ‎(vyās)
• Hungarian: átmérő (hu)
• Irish: lárlíne f
• Italian: diametro (it) m
• Japanese: 直径 (ja) ‎(ちょっけい, chokkei)
• Korean: 지름 (ko) ‎(jireum)

• Latin: line
• Luxembourgish: Duerchmiesser (lb)
• Macedonian: дијаметар m ‎(dijamétar), пречник m ‎(préčnik)
• Malay: garis pusat, diameter
• Maori: whitianga
• Norwegian:

  Bokmål: diameter (no) m

  Nynorsk: diameter (nn) m

• Polish: średnica (pl) f
• Portuguese: diâmetro (pt) m
• Romanian: diametru (ro)
• Russian: диа́метр (ru) m ‎(diámetr), попере́чник (ru) m ‎(poperéčnik)
• Serbo-Croatian: prečnik (sh) m
• Spanish: diámetro (es) m
• Swahili: kipenyo (sw)
• Swedish: diameter (sv) c
• Tagalog: bantod
• Vietnamese: đường kính (vi)
• Welsh: diamedr m

length of this line

• Arabic: قُطْر (ar) m ‎(quṭr)
• Armenian: տրամագիծ (hy) ‎(tramagic)
• Bengali: ব্যাস ‎(bjas)
• Catalan: diàmetre (ca) m
• Chinese:

  Cantonese: 直徑, 直径 ‎(zik⁶ ging³)

  Mandarin: 直徑 (zh), 直径 (zh) ‎(zhíjìng)

• Czech: průměr (cs) m
• Dutch: diameter (nl) m, doorsnede (nl) m, f
• Finnish: läpimitta (fi)
• French: diamètre (fr) m
• German: Durchmesser (de) m
• Greek: διάμετρος (el) f ‎(diámetros)
• Haitian Creole: dyamèt
• Hebrew: קוטר (he) m ‎(qot'er)
• Hindi: व्यास (hi) ‎(vyās)
• Irish: trastomhas m

• Italian: diametro (it) m
• Japanese: 直径 (ja) ‎(ちょっけい, chokkei)
• Korean: 직경 ‎(jik-gyeong)
• Macedonian: дијаметар m ‎(dijamétar), пречник m ‎(préčnik)
• Malay: garis pusat, diameter
• Norwegian:

  Bokmål: diameter (no) m

  Nynorsk: diameter (nn) m

• Portuguese: diâmetro (pt) m
• Russian: диа́метр (ru) m ‎(diámetr)
• Serbo-Croatian: prečnik (sh) m
• Spanish: diámetro (es) m
• Swahili: kipenyo (sw)
• Swedish: diameter (sv) c
• Tagalog: bantod
• Welsh: diamedr m

Related terms

• diametric
• diametrically
• semidiameter

See also

• circumference
• radius

Anagrams

• diatreme

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Dutch

Wikipedia ^nl

Pronunciation

• Audio

  (file)

• Hyphenation: di‧a‧me‧ter

Etymology

dia- +‎ meter

Noun

diameter m ‎(plural diameters, diminutive diametertje n)

1. diameter (length of diametrical chord)

See also

• middellijn
• straal
• omtrek
• doorsnee

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Norwegian Bokmål

Wikipedia ^no

Noun

diameter m ‎(definite singular diameteren, indefinite plural diametere or diametre or diametrer, definite plural diameterne or diametrene)

1. a diameter

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Norwegian Nynorsk

Wikipedia ⁿⁿ

Noun

diameter m ‎(definite singular diameteren, indefinite plural diameterar or diametrar, definite plural diameterane or diametrane)

1. a diameter

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Swedish

Noun

diameter c

1. (geometry) diameter

Declension

Declension of diameter

	singular		plural
Common	indefinite	definite	indefinite	definite
nominative	diameter	diametern	diametrar	diametrarna
genitive	diameters	diameterns	diametrars	diametrarnas