# diameter
## English
### Alternative forms

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

### 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”). By surface analysis, dia- +‎ -meter.

### Pronunciation

* (Received Pronunciation) IPA: /daɪˈæmɪtə(ɹ)/
* (General American) enPR: dī-ăm'ĭtər, IPA: /daɪˈæmɪdɚ/, /daɪˈæmədɚ/
* Audio (US):(file)

### Noun

diameter (plural diameters)
* (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.
* (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).
* (geometry) The maximum distance between any two points in a metric space.
* (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
### See also

* circumference
* radius

### Anagrams

* Demetria, diametre, diatreme

## Danish
### Noun

diameter c (singular definite diameteren, plural indefinite diametre)
* a diameter

#### References

* “diameter” in Den Danske Ordbog

## Dutch
### Etymology

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

### Pronunciation

* IPA: /ˈdi.aːˌmeː.tər/
* Audio:(file)
* Hyphenation: di‧a‧me‧ter

### Noun

diameter m (plural diameters, diminutive diametertje n)
* diameter (length of diametrical chord)
* diameter (diametrical chord)
    Synonym: middellijn

#### Descendants

* → Indonesian: diameter

### See also

* straal
* omtrek
* doorsnee

## Indonesian
### Etymology

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

### Pronunciation

* IPA: [dia̯ˈmɛtər]
* Hyphenation: dia‧mè‧têr

### Noun

diamètêr (uncountable)
* (geometry) diameter

#### Synonyms

* garis tengah
* tampang

#### Derived terms

* berdiameter
* diameter jarum
* diameter molekul
* diameter parabola

### Further reading

* “diameter” in Kamus Besar Bahasa Indonesia, Jakarta: Agency for Language Development and Cultivation – Ministry of Education, Culture, Research, and Technology of the Republic of Indonesia, 2016.

## Norwegian Bokmål
### Noun

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

## Norwegian Nynorsk
### Noun

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

## Swedish
### Pronunciation

* Audio:(file)

### Noun

diameter c
* (geometry) diameter

#### Declension
### Anagrams

* meditera