abscissa
English edit
Etymology edit
By ellipsis from Latin [linea] abscissa, feminine of abscissus, perfect passive participle of abscindō (“cut off”). See abscind.
Pronunciation edit
Noun edit
abscissa (plural abscissas or abscissae or abscissæ)
- (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.
- (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
- (first of two coordinates): coordinate
- (horizontal line): axis
Translations edit
first of two coordinates
|
horizontal axis
|
See also edit
References edit
- ↑ 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
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
- → Northern Sami: abskissa
- → Portuguese: abscissa
- → Italian: ascissa
Pronunciation 2 edit
Noun edit
abscissā f
Etymology 2 edit
See the etymology of the corresponding lemma form.
Participle edit
abscissa
- inflection of abscissus:
Participle edit
abscissā
Portuguese edit
Alternative forms edit
Pronunciation edit
- Hyphenation: abs‧cis‧sa
Noun edit
abscissa f (plural abscissas) (Brazilian spelling)
Coordinate terms edit
Swedish edit
Noun edit
abscissa c
Declension edit
Declension of abscissa | ||||
---|---|---|---|---|
Singular | Plural | |||
Indefinite | Definite | Indefinite | Definite | |
Nominative | abscissa | abscissan | abscissor | abscissorna |
Genitive | abscissas | abscissans | abscissors | abscissornas |