# planar
## English
### Etymology

From Late Latin plānārius (“relating to a plane”), derived from Latin plānus (“flat”, “level”), equivalent to plane +‎ -ar, ultimately from Proto-Indo-European *pleh₂- (“flat”).

### Pronunciation

* (General American) IPA: /ˈpleɪnɚ/
* (Received Pronunciation) IPA: /ˈpleɪnə/
* Audio (Southern England):(file)
* Homophones: plainer, planer
* Rhymes: -eɪnə(ɹ)

### Adjective

planar (comparative more planar, superlative most planar)
* Of or pertaining to a plane.
    A planar projection of a three-dimensional object is its projection onto a plane.
* Flat, two-dimensional.
* (graph theory, of a graph) Able to be embedded in the plane with no edges intersecting.
    A complete graph with more than four nodes is never planar.
* (transistor chip, semiconductor devices) Having a flat profile, not etched into a mesa.

#### Derived terms

* antiplanar
* biplanar
* complanar
* coplanar
* curviplanar
* diplanar
* echoplanar
* equiplanar
* exoplanar
* extraplanar
* halfplanar
* hyperplanar
* interplanar
* intraplanar
* microplanar
* monoplanar
* multiplanar
* nonplanar
* outerplanar
* periplanar
* plabic
* planar graph
* planar induction
* planarity
* planarization
* planarize
* planarly
* quadriplanar
* quasiplanar
* synplanar
* triplanar
* uniplanar

#### Related terms

* plane
* planate

#### Translations
## Catalan
### Etymology

From pla.

### Pronunciation

* IPA: (Central, Balearic) [pləˈna]
* IPA: (Valencia) [plaˈnaɾ]

### Verb

planar (first-person singular present plano, first-person singular preterite planí, past participle planat)
* (transitive) Synonym of aplanar
* (intransitive) to hover, circle
* (intransitive, figurative) to loom over

#### Conjugation
### Further reading

* “planar” in Diccionari català-valencià-balear, Antoni Maria Alcover and Francesc de Borja Moll, 1962.
* “planar”, in Gran Diccionari de la Llengua Catalana, Grup Enciclopèdia Catalana, 2025
* “planar” in Diccionari de la llengua catalana, segona edició, Institut d’Estudis Catalans.

## German
### Pronunciation

* Audio:(file)
* Rhymes: -aːɐ̯

### Adjective

planar (strong nominative masculine singular planarer, not comparable)
* planar

#### Declension
### Further reading

* “planar” in Duden online
* “planar” in Digitales Wörterbuch der deutschen Sprache

## Norwegian Nynorsk
### Noun

planar m
* indefinite plural of plan

## Portuguese
### Etymology

From plano +‎ -ar.

### Pronunciation

* (Brazil) IPA: /plaˈna(ʁ)/ [plaˈna(h)]
* (Brazil) IPA: /plaˈna(ʁ)/ [plaˈna(h)]
** (São Paulo) IPA: /plaˈna(ɾ)/
** (Rio de Janeiro) IPA: /plaˈna(ʁ)/ [plaˈna(χ)]
** (Southern Brazil) IPA: /plaˈna(ɻ)/
* (Portugal) IPA: /plɐˈnaɾ/
* (Portugal) IPA: /plɐˈnaɾ/
** (Southern Portugal) IPA: /plɐˈna.ɾi/
* Hyphenation: pla‧nar

### Verb

planar (first-person singular present plano, first-person singular preterite planei, past participle planado)
* (intransitive) to glide (to fly unpowered)

#### Conjugation

$^1$Brazilian Portuguese. $^2$European Portuguese.

#### Related terms

* plano

## Spanish
### Etymology

Borrowed from Late Latin planarius (“relating to a plane”), from Latin planum (“plane”).

### Pronunciation

* IPA: /plaˈnaɾ/ [plaˈnaɾ]
* Rhymes: -aɾ
* Syllabification: pla‧nar

### Adjective

planar m or f (masculine and feminine plural planares)
* planar (relating to a plane)

## Swedish
### Verb

planar
* present indicative of plana