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单词 trinomial
释义

trinomialadj.n.

Brit. /trʌɪˈnəʊmɪəl/, U.S. /traɪˈnoʊmiəl/
Etymology: Formed with tri- comb. form + -nomial comb. form after binomial adj. and n.
A. adj.
1. Mathematics. Consisting of three terms, as an algebraical expression.
ΘΚΠ
the world > relative properties > number > algebra > [adjective] > relating to expressions > involving specific number of terms
binomial1570
multinomial1608
quadrinomial1673
solinomial1690
polynomial1704
trinomial1704
infinitinomial1706
monomial1801
tetranomial1817
unipartite1819
monome1829
mononomial1861
polynomic1868
tripartite1869
multinominal1940
1704 J. Harris Lexicon Technicum I Trinomial-Root, in Mathematicks, is a Root consisting of three parts connected together by the Sign +; as a + b + c. See Binomial.
1743 W. Emerson Doctr. Fluxions i. 83 The Fluents of the Trinomial or compound Binomial Fluxions.
c1865 J. Wylde Circle of Sci. I. 483/2 The..multiplier will be trinomial.
2. Natural History. Consisting of three terms, the first being that of the genus, the second that of the species, the third that of the subspecies or variety, instead of the two former only; involving or characterized by three terms, as a system of nomenclature. (Cf. binomial adj. 2.)
ΘΚΠ
the mind > language > naming > [adjective] > having three names
trinominal1674
trinomial1865
trionymal1884
1865 C. Darwin Lett. (1903) I. 474 I have sometimes..speculated on what nomenclature would come to, and concluded that it would be trinomial.
1884 Nature 10 July 257/1 More than ten years ago..Dr. Coues, in his ‘Key to the North American Birds’, first began to adopt the trinomial nomenclature which is now so generally accepted by American ornithologists.
3. Of the names of married women (esp. in the U.S.): consisting of three elements, the given, maiden, and husband's surname; also applied to those known by this style, whereby the maiden name is in some measure retained.
ΘΠ
the mind > language > naming > name or appellation > [adjective] > consisting of first, maiden and surname
trinomial1966
1966 Listener 2 June 806/3 A vast cast of trinominal cuckoos (Harriot Stanton Blatch, Carrie Chapman Catt, Elizabeth Gurley Flynn, Lucretia Coffin Mott, Rev. Anna Howard Shaw et aliae) flap across the stage, but hardly one is characterized by any human identifiable characteristic.
1981 Economist 28 Nov. 107/2 Mary Boykin Chesnut—and the reader cannot begin too soon to accustom himself to trinomial appellations.
B. n.
1. Mathematics. An expression consisting of three terms connected by + or −.
ΘΚΠ
the world > relative properties > number > algebra > [noun] > expression > consisting of specific number of terms
binomial1557
binomy1571
trinomy1571
quadrinomial1673
multinomiala1690
polynomiala1690
trinomiala1690
monomial1706
nomial1717
monome1736
infinitinomial1763
polynome1828
mononomial1844
quantic1854
form1859
Jacobi polynomial1882
Jacobi's function1882
ternariant1882
triquaternion1902
term1957
arity1968
a1690 S. Jeake Λογιστικηλογία (1696) 294 If three Quantities be conjoyned, and but three, they are sometime called Trinomials.
1706 W. Jones Synopsis Palmariorum Matheseos 171 To raise any Trinomial..to any given Power.
c1865 J. Wylde Circle of Sci. I. 473/1 The square of a binomial consists of three terms; that is, it is a trinomial.
2. Natural History. The name of a subspecies or variety when composed of three terms (the names of the genus, species, and subspecies or variety).
ΘΚΠ
the mind > language > naming > name or appellation > [noun] > scientific or technical name > with three terms
trinomial1884
trionym1884
1884 Proc. Boston Soc. Nat. Hist. 19 Mar. 166 According to recent lists all names are to be trinomials, either through duplication or addition.

Derivatives

triˈnomialism n. the trinomial system of nomenclature, or the use of trinomial names (see A. 2).
ΘΠ
the mind > language > naming > nomenclature or terminology > [noun] > other spec.
synonymy1782
trinomialism1884
protologue1905
1884 Academy 5 July 13/3 Dr. Coues..showed how useful ‘trinomialism’ was in describing species which over the vast extent of North America varied to an extent hardly realised in the Old World.
1898 Nature 30 June 196/2 Mr. Blanford has not yet brought himself to accept the principle of trinomialism for birds.
triˈnomialist n. one who uses or advocates this system.
Π
1884 Proc. Boston Soc. Nat. Hist. 19 Mar. 168 Some trinomialists disclaim responsibility for the repetition or duplication.
trinomiˈality n. the quality or character of being trinomial.
Π
1891 Cent. Dict. Trinomiality.
triˈnomially adv. in a trinomial manner; by the use of trinomial names.
ΘΠ
the mind > language > naming > [adverb] > with three names
trinomially1884
1884 Nature 10 July 257/2 There has been..a consensus of opinion..that they [the Yellow Wagtails] ought to be treated trinomially.
This entry has not yet been fully updated (first published 1915; most recently modified version published online March 2022).
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adj.n.a1690
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