English edit

 
A point in the Cartesian plane; x is the abscissa.

Etymology edit

By ellipsis from Latin [linea] abscissa, feminine of abscissus, perfect passive participle of abscindō (cut off). See abscind.

Pronunciation edit

  • (US) IPA(key): /æbˈsɪs.ə/
  • (file)
  • Hyphenation: ab‧scis‧sa

Noun edit

abscissa (plural abscissas or abscissae or abscissæ)

  1. (geometry) The first of the two terms by which a point is referred to, in a system of fixed rectilinear coordinate (Cartesian coordinate) axes. [First attested in the late 17th century.][1]
    Coordinate term: ordinate
    The point   has 3 as its abscissa and 2 as its ordinate.
  2. (geometry) The horizontal line representing an axis of a Cartesian coordinate system, on which the abscissa (sense above) is shown.
    Coordinate term: ordinate

Usage notes edit

Originally, it referred to the portion of a line between a fixed point on that line and the intersection of that line with an ordinate.[1]

Synonyms edit

Hypernyms edit

Translations edit

See also edit

References edit

  1. 1.0 1.1 Lesley Brown, editor-in-chief, William R. Trumble and Angus Stevenson, editors (2002), “abscissa”, in The Shorter Oxford English Dictionary on Historical Principles, 5th edition, Oxford, New York, N.Y.: Oxford University Press, →ISBN, page 8.

Latin edit

Etymology 1 edit

From abscissus, perfect passive participle of abscindō (tear away).

Pronunciation 1 edit

Noun edit

abscissa f (genitive abscissae); first declension

  1. (New Latin, mathematics) abscissa
Declension edit

First-declension noun.

Case Singular Plural
Nominative abscissa abscissae
Genitive abscissae abscissārum
Dative abscissae abscissīs
Accusative abscissam abscissās
Ablative abscissā abscissīs
Vocative abscissa abscissae
Descendants edit
  • English: abscissa
  • Irish: aibsíse
  • Norwegian Bokmål: abscisse
  • Portuguese: abscissa
  • Italian: ascissa

Pronunciation 2 edit

Noun edit

abscissā f

  1. ablative singular of abscissa

Etymology 2 edit

See the etymology of the corresponding lemma form.

Participle edit

abscissa

  1. inflection of abscissus:
    1. nominative/vocative feminine singular
    2. nominative/accusative/vocative neuter plural

Participle edit

abscissā

  1. ablative feminine singular of abscissus

Portuguese edit

Alternative forms edit

Pronunciation edit

 
  • (Brazil) IPA(key): /a.biˈsi.sɐ/, /abˈsi.sɐ/
    • (Southern Brazil) IPA(key): /abˈsi.sa/, /a.biˈsi.sa/

  • Hyphenation: abs‧cis‧sa

Noun edit

abscissa f (plural abscissas) (Brazilian spelling)

  1. (geometry) abscissa (first of two coordinates)

Coordinate terms edit

Swedish edit

Noun edit

abscissa c

  1. Alternative spelling of abskissa; abscissa

Declension edit

Declension of abscissa 
Singular Plural
Indefinite Definite Indefinite Definite
Nominative abscissa abscissan abscissor abscissorna
Genitive abscissas abscissans abscissors abscissornas