Definition of origin in English:


Line breaks: ori¦gin
Pronunciation: /ˈɒrɪdʒɪn


  • 2 Anatomy The more fixed end or attachment of a muscle.
    More example sentences
    • It is usually placed on a level above and behind the condyloid origin of flexor carpi ulnaris.
    • It then exits the cubital tunnel by passing between the two heads of the origin of the flexor carpi ulnaris muscle.
    • The insertion of gastrocnemius is discussed following the description of the origin of the soleus muscle.
  • 3 Mathematics A fixed point from which coordinates are measured.
    More example sentences
    • Given ABC, we may assume its vertices lie on a circle centered at the origin of a Cartesian coordinate system.
    • Let u and v denote two positions on a chromosome, measured in a scale in morgan units with the coordinate origin at the target locus.
    • In fact, from the point P which is at distance d from the origin measured along a radius vector, the distance from P to the pole is d sec b.


early 16th century: from French origine, from Latin origo, origin-, from oriri 'to rise'.

More definitions of origin

Definition of origin in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day astrogation
Pronunciation: ˌastrə(ʊ)ˈgeɪʃ(ə)n
(in science fiction) navigation in outer space