Share this entry

Share this page

ordinal

Line breaks: or|din¦al
Pronunciation: /ˈɔːdɪn(ə)l
 
/

Definition of ordinal in English:

noun

1 short for ordinal number.
Example sentences
  • In 1907 he introduced special types of ordinals in an attempt to prove Cantor's continuum hypothesis.
  • Having solved the open problem posed by Davenport on writing numbers as the sums of fifth powers, Conway began to become interested in infinite ordinals.
  • In this latter book she presented a 30 page appendix on the theory of infinite cardinals and ordinals.
2 Christian Church , historical A service book, especially one with the forms of service used at ordinations.
Example sentences
  • The report continues with a discussion of the various ministries of deacons, including the basis as expressed in the ordinal at ordination in a new trial liturgy in the Diocese of Salisbury.

adjective

Back to top  
1Relating to the order of something in a series: ordinal scales
More example sentences
  • The answers were transformed to an ordinal scale with values from 0 to 6.
  • The Mann-Whitney U test is appropriate when the independent variable has two levels and the dependent variable is measured on an ordinal scale.
  • To account for this bias, we transformed the outcome variables to an ordinal scale with 5 categories.
1.1Relating to an ordinal number.
2 Biology Relating to a taxonomic order.
Example sentences
  • The present study suggests that tube-foot morphology may be useful as a taxonomic character at the ordinal level.
  • While all of the phyla but one were established during the Cambrian explosion, taxonomic increases during the Ordovician were manifest at lower taxonomic levels although ordinal level diversity doubled.
  • Mammalian phylogenetics at the ordinal level remains one of the outstanding problems in systematics because of the lack of congruence between different data sets.

Origin

Middle English (in sense 2 of the noun): the noun from medieval Latin ordinale (neuter); the adjective from late Latin ordinalis 'relating to order in a series', from Latin ordo, ordin- (see order).

Words that rhyme with ordinal

hymnalcardinallibidinal

Definition of ordinal in:

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day terpsichorean
Pronunciation: ˌtərpsikəˈrēən
adjective
of or relating to dancing