| 单词 |
hendeca- |
| 释义 |
hendeca-
before a vowel hendec-; sometimes erron. endeca-. a. Combining form of Gr. ἕνδεκα eleven, occurring in scientific or technical words, as hendecachord |hɛnˈdɛkəkɔːd| Mus. [after tetrachord, hexachord], a series or scale of eleven notes; hence hendecaˈchordal a., relating to such a scale. hendecaˈcolic a. Pros., consisting of eleven cola (see colon2 1). hendecagynous |hɛndɪˈkædʒɪnəs| a. Bot. [see -gynous], having eleven pistils. hendecaˈhedron Geom. [Gr. ἕδρα seat, base], a solid figure contained by eleven faces. hendeˈcandrous a. Bot. [see -androus], having eleven stamens. hendecaphyllous |-ˈfɪləs| a. Bot., (of a leaf) consisting of eleven leaflets. ˈhendecarchy |-ɑːkɪ| [after heptarchy], government by eleven persons. hendecasemic |-ˈsiːmɪk| a. Pros. [cf. disemic], of the value of eleven moræ or units of time.
1760Stiles in Phil. Trans. LI. 771 Two other suppositions, viz. that either the *hendecachord or disdiapason was here meant.
1842–3Smith's Dict. Gr. & Rom. Antiq. 646 A *hendecachordal system, consisting of three tetrachords.
1847Craig, *Endecagynous.
Ibid., *Endecaphyllous.
1663Flagellum, or O. Cromwell (1672) 164 England being now cantoned under this *Hendecharchy.
b. Organic Chem. Occas. used in place of the synonymous and more usual prefix undeca- to denote the presence in a molecule of eleven carbon atoms, as in ˈhendecane, undecane; hendeˈcoic acid, undecoic acid.
1889Muir & Morley Watts' Dict. Chem. II. 673/1 n-Hendecane C11H24... Formed by the action of HI and phosphorus at 230° upon hendecoic (undecylic) acid. 1943Thorpe's Dict. Appl. Chem. (ed. 4) VI. 204/1 (heading) Hendecoic acids (undecoic acids), C11H22O2. 1960Handbk. Chem. Soc. Authors iii. 49 Greek numeral roots are used, except that 9 (alone or in combination) is rendered by the Latin nona (not the Greek ennea) and 11 by the Latin undeca (not the Greek hendeca). |
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