单词 | trinomial |
释义 | trinomial/trʌɪˈnəʊmɪəl /adjective 1(Of an algebraic expression) consisting of three terms.In 1881 Gyula Farkas published a paper on Farkas Bolyai's iterative solution to the trinomial equation, making a careful study of the convergence of the algorithm....
2 Biology (Of a taxonomic name) consisting of three terms where the first is the name of the genus, the second that of the species, and the third that of the subspecies or variety.A more recent estimate puts the total number of species at 436 ‘species’ (352 Demospongiae, 49 Calcarea, 35 Hexactinellida) if trinomial taxa, subspecies and varieties are included (R. W. M. van Soest, unpublished data)....
noun 1An algebraic expression of three terms.In general, you will be trying to factor quadratic trinomials that look like a * y ^ 2 + b * y + c where a, b, and c are expressions not involving y…...
2 Biology A trinomial taxonomic name.Geographical variation in morphology has been documented in N. mediocris for many years via the recognition of trinomials (subspecies: N. m. mediocris, usambarica, fuelleborni, and bensoni.)...
OriginLate 17th century: from tri- 'three', on the pattern of binomial. |
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