quadrant
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Ptolemy using a quadrant (4)
See also: Quadrant
English
Alternative forms
- quadraunt (obsolete)
Pronunciation
- (Received Pronunciation) enPR: kwŏdʹrənt, IPA(key): /ˈkwɒd.ɹənt/
- (General American) enPR: kwŏdʹrənt, IPA(key): /ˈkwɑd.ɹənt/
Audio (Southern England) (file)
Etymology 1
From Middle English quadrant, from Old French cadran, quadrant and its etymon Latin quadrāns, -antis (“fourth part of something, quarter”). Doublet of quadrans.
Noun
quadrant (plural quadrants)
- One of the four sections made by dividing an area with two perpendicular lines.
- (mathematics) One of the four regions of the Cartesian plane bounded by the x-axis and y-axis.
- (geometry) One fourth of a circle or disc; a sector with an angle of 90°.
- (nautical) A measuring device with a graduated arc of 90° used in locating an altitude.
- (college basketball) One of the four categories of team wins and losses, as categorized by strength of schedule.
Derived terms
Translations
section
|
region of the Cartesian plane
|
fourth of a circle
|
measuring device
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See also
Etymology 2
From Middle English quadrant, quadrante, from Latin quadrātum; form influenced by Etymology 1. Doublet of quadrat and quadrate.
Noun
quadrant (plural quadrants)
- (obsolete) A square or quadrangle.
References
- ^ “quā̆drant, n.(1)”, in MED Online, Ann Arbor, Mich.: University of Michigan, 2007.
- ^ “quā̆drant, n.(2)”, in MED Online, Ann Arbor, Mich.: University of Michigan, 2007.
Catalan
Etymology 1
Borrowed from Latin quadrantem (“fourth part of something, quarter”).
Pronunciation
Noun
quadrant m (plural quadrants)
Further reading
- “quadrant” in Diccionari de la llengua catalana, segona edició, Institut d’Estudis Catalans.
- “quadrant”, in Gran Diccionari de la Llengua Catalana, Grup Enciclopèdia Catalana, 2024
- “quadrant” in Diccionari normatiu valencià, Acadèmia Valenciana de la Llengua.
- “quadrant” in Diccionari català-valencià-balear, Antoni Maria Alcover and Francesc de Borja Moll, 1962.
Etymology 2
Verb
quadrant
French
Etymology
Borrowed from Latin quadrantem (“fourth part of something, quarter”).
Pronunciation
Noun
quadrant m (plural quadrants)
Further reading
- “quadrant”, in Trésor de la langue française informatisé , 2012.
Latin
Verb
quadrant