diameter

English

English Wikipedia has an article on:

diameter

Wikipedia

Alternative forms

• diametre (chiefly dated or nonstandard)
• ⌀ (abbreviation)

Etymology

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

Pronunciation

• (Received Pronunciation) IPA^(key): /daɪˈæmɪtə(ɹ)/
• (General American) enPR: dī-ăm'ĭtər, IPA^(key): /daɪˈæmɪdɚ/, /daɪˈæmədɚ/

• 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; a chord that passes through the center of the circle.
2. (geometry) The length of such a line.
   • 2005, David A. Stephenson, John S. Agapiou, Metal Cutting Theory and Practice, page 280:

     In cases without good face contact, the diameter of the toolholder at the front of the flange or the tool itself should not be any larger than the gage diameter of the toolholder shank from a bending stiffness viewpoint.

   • 2015 October 23, “Periconception Maternal Folate Status and Human Embryonic Cerebellum Growth Trajectories: The Rotterdam Predict Study”, in PLOS ONE‎, →DOI:

     Viable non-malformed singleton pregnancies were selected for cerebellar measurements; transcerebellar diameter, (TCD), left and right cerebellar diameters (LCD, RCD).

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.

Derived terms

• aerodiameter
• circumdiameter
• diameterwise
• inner diameter
• inside diameter
• internal diameter
• major diameter
• minor diameter
• multidiameter
• tactical diameter

Related terms

• diametric
• diametrically
• semidiameter

Translations

line

Afrikaans: deursnee Arabic: قُطْر (ar) m (quṭr) Armenian: տրամագիծ (hy) (tramagic) Azerbaijani: diametr (az) Basque: diametro Belarusian: дыя́метр m (dyjámjetr) Bengali: ব্যাস (bn) (bês) Bulgarian: диаметър m (diametǎr) Catalan: diàmetre (ca) m Cebuano: latastid Chinese: Cantonese: 直徑 / 直径 (zik6 ging3) Mandarin: 直徑 / 直径 (zh) (zhíjìng) Czech: průměr (cs) m Danish: diameter (da) c, tværmål n Dutch: middellijn (nl) f, diameter (nl) m Esperanto: diametro Estonian: diameeter Faroese: tvørmál n Finnish: halkaisija (fi) French: diamètre (fr) m Galician: diámetro (gl) m Georgian: დიამეტრი (diameṭri) German: Durchmesser (de) m, Diameter m Greek: διάμετρος (el) f (diámetros) Ancient: διάμετρος f (diámetros) Gujarati: વ્યાસ (gu) (vyās) Haitian Creole: dyamèt Hebrew: קוטר (he) m (qot'er) Hindi: व्यास (hi) m (vyās) Hungarian: átmérő (hu) Icelandic: þvermál (is) n Ido: diametro (io) Indonesian: diameter (id) Iquito: acajinacúraji Irish: lárlíne f Italian: diametro (it) m Japanese: 直径 (ja) (ちょっけい, chokkei) Kannada: ವ್ಯಾಸ (kn) (vyāsa) Khmer: អង្កត់ផ្ចិត (ʼɑngkɑt phcət) Korean: 지름 (ko) (jireum) Kurdish: Central Kurdish: تیرە (tîre) Northern Kurdish: tîre (ku) Latin: diametros f Latvian: diametrs m Lithuanian: diametras m Luxembourgish: Duerchmiesser (lb) Macedonian: дијаметар m (dijametar), пречник m (prečnik) Malay: garis pusat, diameter Maori: whitianga Marathi: व्यास (vyās) Norwegian: Bokmål: diameter (no) m Nynorsk: diameter (nn) m Persian: قطر (fa) (qotr), ترامون (tarâmun), گنج دوله (gonj-e dowle) (archaic), گنج (fa) (gonj) (archaic) Polish: średnica (pl) f Portuguese: diâmetro (pt) m Romagnol: diàmetar m Romanian: diametru (ro) Russian: диа́метр (ru) m (diámetr), попере́чник (ru) m (poperéčnik) Serbo-Croatian: Cyrillic: пречник m, промјер m Roman: prečnik (sh) m, promjer (sh) m Slovak: priemer m Slovene: premer (sl) m Spanish: diámetro (es) m Swahili: kipenyo (sw) Swedish: diameter (sv) c Tagalog: bantod, diyametro Thai: เส้นผ่าศูนย์กลาง (th) (sên-pàa-sǔun-glaang), เส้นผ่านศูนย์กลาง (th) (sen-phan-sun-klang) Turkish: çap (tr) Ukrainian: діа́метр m (diámetr), попере́чник m (poperéčnyk) Urdu: قطر (qotr) Vietnamese: đường kính (vi) Walloon: diyamete (wa) m Welsh: diamedr m Yiddish: דיאַמעטער m (dyameter)

length of this line

Arabic: قُطْر (ar) m (quṭr) Armenian: տրամագիծ (hy) (tramagic) Bengali: ব্যাস (bn) (bês) Catalan: diàmetre (ca) m Chinese: Cantonese: 直徑 / 直径 (zik6 ging3) Mandarin: 直徑 / 直径 (zh) (zhíjìng) Czech: průměr (cs) m Danish: diameter (da) c Dutch: diameter (nl) m, doorsnede (nl) m or f Finnish: läpimitta (fi) French: diamètre (fr) m Galician: diámetro (gl) m German: Durchmesser (de) m, Diameter m Greek: διάμετρος (el) f (diámetros) Haitian Creole: dyamèt Hebrew: קוטר (he) m (qot'er) Hindi: व्यास (hi) m (vyās) Irish: trastomhas m Italian: diametro (it) m Japanese: 直径 (ja) (ちょっけい, chokkei) Kannada: ವ್ಯಾಸ (kn) (vyāsa), ವ್ಯಾಸದ ಉದ್ದ (vyāsada udda) Korean: 직경 (ko) (jikgyeong) Kurdish: Northern Kurdish: tîre (ku) f Macedonian: дијаметар m (dijametar), пречник m (prečnik) Malay: garis pusat, diameter Norwegian: Bokmål: diameter (no) m Nynorsk: diameter (nn) m Polish: średnica (pl) f Portuguese: diâmetro (pt) m Russian: диа́метр (ru) m (diámetr) Serbo-Croatian: Cyrillic: пречник m Roman: prečnik (sh) m Spanish: diámetro (es) m Swahili: kipenyo (sw) Swedish: diameter (sv) c Tagalog: bantod, diyametro Walloon: diyamete (wa) m Welsh: diamedr m

graph theory

Italian: diametro (it) m

See also

• circumference
• radius

Anagrams

• Demetria, diametre, diatreme

Danish

Danish Wikipedia has an article on:

diameter

Wikipedia ^da

Noun

diameter c (singular definite diameteren, plural indefinite diametre)

1. a diameter

References

• “diameter” in Den Danske Ordbog

Dutch

Dutch Wikipedia has an article on:

diameter

Wikipedia ^nl

Etymology

Borrowed from French diamètre, from Latin diametrus, from Ancient Greek διάμετρος (diámetros). Equivalent to dia- +‎ meter.

Pronunciation

• IPA^(key): /ˈdi.aːˌmeː.tər/

• Audio:

  (file)

• Hyphenation: di‧a‧me‧ter

Noun

diameter m (plural diameters, diminutive diametertje n)

1. diameter (length of diametrical chord)
2. diameter (diametrical chord)

   Synonym: middellijn

Descendants

• → Indonesian: diameter

See also

• straal
• omtrek
• doorsnee

Indonesian

Indonesian Wikipedia has an article on:

diameter

Wikipedia ^id

Etymology

From Dutch diameter, from French diamètre, from Latin diametrus, from Ancient Greek διάμετρος (diámetros).

Pronunciation

• IPA^(key): [dia̯ˈmɛtər]
• Hyphenation: dia‧mè‧têr

Noun

diamètêr (plural diameter-diameter)

1. (geometry) diameter

Synonyms

• garis tengah
• tampang

Derived terms

• berdiameter

• diameter jarum
• diameter molekul
• diameter parabola

Further reading

• “diameter”, in Kamus Besar Bahasa Indonesia [Great Dictionary of the Indonesian Language] (in Indonesian), Jakarta: Agency for Language Development and Cultivation – Ministry of Education, Culture, Research, and Technology of the Republic of Indonesia, 2016

Latin

Pronunciation

• (Classical Latin) IPA^(key): [diˈa.mɛ.tɛr]
• (modern Italianate Ecclesiastical) IPA^(key): [diˈaː.me.ter]

Noun

diameter f (genitive diametrī); second declension

1. (New Latin) alternative form of diametros

   diameter trānsversa et longitūdinālis ― transverse and longitudinal diameter

Declension

Second-declension noun (nominative singular in -er).

	singular	plural
nominative	diameter	diametrī
genitive	diametrī	diametrōrum
dative	diametrō	diametrīs
accusative	diametrum	diametrōs
ablative	diametrō	diametrīs
vocative	diameter	diametrī

Norwegian Bokmål

Norwegian Wikipedia has an article on:

diameter

Wikipedia ^no

Noun

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

1. a diameter

Norwegian Nynorsk

Norwegian Nynorsk Wikipedia has an article on:

diameter

Wikipedia ⁿⁿ

Noun

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

1. a diameter

Swedish

Pronunciation

• Audio:

  (file)

Noun

diameter c

1. (geometry) diameter

Declension

Declension of diameter

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

Anagrams

• meditera