perpendicular
See also: Perpendicular
English
Etymology
From Middle French perpendiculaire, from Old French perpendiculer, from Latin perpendiculum (“plumb line”).
Pronunciation
- (UK) IPA(key): /ˌpɜː.pənˈdɪk.jə.lə(ɹ)/ enPR: pû"pəndĭ'kyələ(r),
- (US) IPA(key): /pɝ.pɛnˈdɪk.ju.lɚ/, /pɝ.pənˈdɪk.jə.lɚ/
Audio (US) (file) - Rhymes: -ɪkjʊlə(ɹ)
Adjective
perpendicular (comparative more perpendicular, superlative most perpendicular)
- (geometry) at or forming a right angle (to something).
- 2012 March 1, Henry Petroski, “Opening Doors”, in American Scientist, volume 100, number 2, page 112-3:
- A doorknob of whatever roundish shape is effectively a continuum of levers, with the axis of the latching mechanism—known as the spindle—being the fulcrum about which the turning takes place. Applying a force tangential to the knob is essentially equivalent to applying one perpendicular to a radial line defining the lever.
- In most houses, the walls are perpendicular to the floor.
- Synonyms: normal, orthogonal
-
- Exactly upright; extending in a straight line toward the centre of the earth, etc.
- Independent of or irrelevant to each other; orthogonal.
- 2019 May 31, David M. Willis, "Wrangled", Dumbing of Age:
- Hey, I'm not unsabotaging anything! This is completely perpendicular sabotage!
- 2019 May 31, David M. Willis, "Wrangled", Dumbing of Age:
Derived terms
- perpendicularity
- perpendicularly
- perpendicularness
- perpendicular pronoun
- perpendicular recording
- perpendicular universe
- quasiperpendicular
Translations
at or forming a right angle to
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Noun
perpendicular (plural perpendiculars)
- (geometry) A line or plane that is perpendicular to another.
- A device such as a plumb line that is used in making or marking a perpendicular line.
- (obsolete, slang) A meal eaten at a tavern bar while standing up.
Translations
line or plane
|
device
|
See also
- ⟂ (This symbol can be pronounced “perp” when used as a subscript of a letter representing a vector.)
Catalan
Etymology
From Late Latin perpendiculāris, from perpendiculum.
Pronunciation
- (Balearic) IPA(key): /pəɾ.pən.di.kuˈla/
- (Central) IPA(key): /pər.pən.di.kuˈla/
- (Valencian) IPA(key): /peɾ.pen.di.kuˈlaɾ/
Adjective
perpendicular (masculine and feminine plural perpendiculars)
- perpendicular
Derived terms
- perpendicularment
Noun
perpendicular f (plural perpendiculars)
- perpendicular
Further reading
- “perpendicular” in Diccionari de la llengua catalana, segona edició, Institut d’Estudis Catalans.
- “perpendicular”, in Gran Diccionari de la Llengua Catalana, Grup Enciclopèdia Catalana, 2023
- “perpendicular” in Diccionari normatiu valencià, Acadèmia Valenciana de la Llengua.
- “perpendicular” in Diccionari català-valencià-balear, Antoni Maria Alcover and Francesc de Borja Moll, 1962.
Portuguese
Etymology
Borrowed from Late Latin perpendiculāris, from perpendiculum.
Pronunciation
- (Brazil) IPA(key): /peʁ.pẽ.d͡ʒi.kuˈlaʁ/ [peh.pẽ.d͡ʒi.kuˈlah]
- (São Paulo) IPA(key): /peɾ.pẽ.d͡ʒi.kuˈlaɾ/
- (Rio de Janeiro) IPA(key): /peʁ.pẽ.d͡ʒi.kuˈlaʁ/ [peχ.pẽ.d͡ʒi.kuˈlaχ]
- (Southern Brazil) IPA(key): /peɻ.pẽ.d͡ʒi.kuˈlaɻ/
- (Portugal) IPA(key): /pɨɾ.pẽ.di.kuˈlaɾ/
- Hyphenation: per‧pen‧di‧cu‧lar
Adjective
perpendicular m or f (plural perpendiculares)
- perpendicular
Noun
perpendicular f (plural perpendiculares)
- perpendicular
Derived terms
- perpendicularidade
- perpendicularmente
Romanian
Etymology
From French perpendiculaire.
Noun
perpendicular f (plural perpendiculare)
- perpendicular
Declension
Declension of perpendicular
singular | plural | |||
---|---|---|---|---|
indefinite articulation | definite articulation | indefinite articulation | definite articulation | |
nominative/accusative | (o) perpendicular | perpendiculara | (niște) perpendiculare | perpendicularele |
genitive/dative | (unei) perpendiculare | perpendicularei | (unor) perpendiculare | perpendicularelor |
Spanish
Etymology
From Late Latin perpendiculāris, from perpendiculum.
Pronunciation
- IPA(key): /peɾpendikuˈlaɾ/ [peɾ.pẽn̪.d̪i.kuˈlaɾ]
- Rhymes: -aɾ
- Syllabification: per‧pen‧di‧cu‧lar
Adjective
perpendicular (plural perpendiculares)
- perpendicular
Derived terms
- perpendicularmente
Further reading
- “perpendicular”, in Diccionario de la lengua española, Vigésima tercera edición, Real Academia Española, 2014