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planar
From Wiktionary, the free dictionary
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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(key): /ˈpleɪnɚ/
- (Received Pronunciation) IPA(key): /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
Translations
of or pertaining to a plane
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Catalan
Etymology
From pla.
Pronunciation
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 [Dictionary of the Catalan Language] (in Catalan), second edition, Institute of Catalan Studies [Catalan: Institut d'Estudis Catalans], April 2007
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German
Pronunciation
Adjective
planar (strong nominative masculine singular planarer, not comparable)
Declension
Positive forms of planar (uncomparable)
Further reading
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Norwegian Nynorsk
Noun
planar m
- indefinite plural of plan
Portuguese
Etymology
Pronunciation
- 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
1Brazilian Portuguese.
2European Portuguese.
Related terms
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Spanish
Etymology
Borrowed from Late Latin planarius (“relating to a plane”), from Latin planum (“plane”).
Pronunciation
Adjective
planar m or f (masculine and feminine plural planares)
- planar (relating to a plane)
Swedish
Verb
planar
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