View source for Abscissa

==English==
[[File:2D Cartesian.svg|thumb|A point in the [[Cartesian plane]]; ''x'' is the '''abscissa'''.]]

===Etymology===
{{root|en|ine-pro|*skey-}}
By ellipsis from {{der|en|la|-}} [{{m|la|linea}}] {{m|la|abscissa}}, feminine of {{m|la|abscissus}}, perfect passive participle of {{m|la|abscindō||cut off}}. See ''[[abscind]]''.

===Pronunciation===
* {{IPA|en|/æbˈsɪs.ə/|a=US}}
* {{audio|en|en-us-abscissa.ogg|a=US}}
* {{hyphenation|en|ab|scis|sa}}

===Noun===
{{en-noun|s|abscissae|abscissæ}}

# {{lb|en|geometry}} The first of the two terms by which a point is referred to, in a system of fixed [[rectilinear]] [[coordinate]] (Cartesian coordinate) axes. {{defdate|First attested in the late 17<sup>th</sup> century.}}<ref name=SOED/>
#: {{cot|en|ordinate}}
#: {{ux|en|The point <math>(3,2)</math> has 3 as its '''abscissa''' and 2 as its ordinate.}}
# {{lb|en|geometry}} The horizontal line representing an axis of a Cartesian coordinate system, on which the abscissa (sense above) is shown.
#: {{cot|en|ordinate}}

====Usage notes====
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]].<ref name=SOED>{{R:SOED5|page=8}}</ref>

====Synonyms====
* {{l|en|absciss}}

====Hypernyms====
* {{sense|first of two coordinates}} {{l|en|coordinate}}
* {{sense|horizontal line}} {{l|en|axis}}

====Translations====
{{trans-top|first of two coordinates}}
* Armenian: {{t|hy|աբսցիս}}
* Berber:
*: Kabyle: {{t|kab|tanegzumt}}
* Bulgarian: {{t+|bg|абсци́са|f}}
* Catalan: {{t|ca|abscissa|f}}
* Cebuano: {{t|ceb|handaganós}}
* Chinese:
*: Cantonese: {{t|yue|橫坐標|tr=waang4 zo6 biu1}}
*: Mandarin: {{t+|cmn|横坐标}}
* Czech: {{t|cs|abscisa|f}}
* Dutch: {{t+|nl|abscis|f}}
* Estonian: {{t+|et|abstsiss}}
* Finnish: {{t+|fi|abskissa}}
* French: {{t+|fr|abscisse|f}}
* Georgian: {{t+|ka|აბსცისა}}
* German: {{t+|de|Abszisse|f}}
* Greek: {{t+|el|τετμημένη|f}}
* Hungarian: {{t+|hu|abszcissza}}
* Ido: {{t+|io|abciso}}
* Indonesian: {{t+|id|absis}}
* Interlingua: {{t|ia|abscissa}}
* Irish: {{t|ga|aibsíse|f}}
* Italian: {{t+|it|ascissa|f}}
* Japanese: {{t|ja|横座標|tr=ōzahyō}}
* Malay: {{t|ms|absisa}}
* Northern Sami: {{t|se|abskisˈsa}}
* Norwegian:
*: Bokmål: {{t+|nb|abscisse|m}}
* Persian: {{t+|fa|طول}}
* Polish: {{t+|pl|odcięta}}, {{t|pl|abscysa|f}} {{qualifier|obsolete}}
* Portuguese: {{t+|pt|abscissa}}, {{t+|pt|abcissa|f}}
* Romanian: {{t+|ro|abscisă|f}}
* Russian: {{t+|ru|абсци́сса|f}}
* Spanish: {{t+|es|abscisa|f}}
* Swedish: {{t+|sv|abskissa|c}}
* Tagalog: {{t|tl|higawat}}
* Turkish: {{t+|tr|apsis}}
* Vietnamese: {{t+|vi|hoành độ}}
{{trans-bottom}}

{{trans-top|horizontal axis}}
* Bulgarian: {{t+|bg|абсци́са}}, {{t|bg|абсци́сна ос}}
* German: {{t|de|Rechtsachse|f}}
* Indonesian: {{t+|id|absis}}
* Japanese: {{t+|ja|横軸|tr=yokojiku}}
* Malay: {{t|ms|absisa}}
* Norwegian:
*: Bokmål: {{t|nb|abscisseakse|m}}
{{trans-bottom}}

====See also====
* {{pedia}}
* {{l|en|ordinate}}
* {{l|en|applicate}}

===References===
<references/>

==Latin==

===Etymology 1===
From {{m|la|abscissus}}, perfect passive participle of {{m|la|abscindō||tear away}}.

====Pronunciation 1====

=====Noun=====
{{la-noun|abscissa<1>}}

# {{lb|la|New Latin|mathematics}} {{l|en|abscissa}}

======Declension======
{{la-ndecl|abscissa<1>}}

======Descendants======
* {{desc|en|abscissa|bor=1}}
* {{desc|ga|aibsíse|bor=1}}
* {{desc|nb|abscisse|bor=1}}
** {{desc|se|abskissa|bor=1}}
* {{desc|pt|abscissa|bor=1}}
* {{desc|it|ascissa|bor=1}}

====Pronunciation 2====

=====Noun=====
{{head|la|noun form|head=abscissā|g=f}}

# {{inflection of|la|abscissa||abl|s}}

===Etymology 2===
{{nonlemma}}

====Participle====
{{head|la|participle form}}

# {{inflection of|la|abscissus||nom//voc|f|s|;|nom//acc//voc|n|p}}

====Participle====
{{head|la|participle form|head=abscissā}}

# {{inflection of|la|abscissus||abl|f|s}}

==Portuguese==

===Alternative forms===
* {{alter|pt|abcissa||Portugal}}

===Pronunciation===
{{pt-IPA|br=abi^s.cissa}}
* {{hyph|pt|abs|cis|sa}}

===Noun===
{{pt-noun|f}} {{tlb|pt|Brazilian Portuguese spelling}}

# {{lb|pt|geometry}} {{l|en|abscissa}} {{gloss|first of two coordinates}}

====Coordinate terms====
* {{l|pt|ordenada}}

==Swedish==

===Noun===
{{sv-noun|c}}

# {{alternative spelling of|sv|abskissa|nodot=1}}; {{l|en|abscissa}}

====Declension====
{{sv-infl-noun-c-or}}