dicotyledonousadj.

/ˌdʌɪkɒtɪˈliːdənəs/

Etymology: formed as dicotyledon n. + -ous suffix.

a. Having two cotyledons; belonging to the class of Dicotyledons.

ΘΚΠ

the world > plants > part of plant > reproductive part(s) > seed > plant having seed > [adjective] > mono-, di-, or polycotyledonous

monocotyledonous1770

dicotyledonous1785

polycotyledonous1800

monocotyle1828

monocotyledonous1849

dictyogenous1852

dicotyledonary1870

monocotylous1905

monocot1938

polycotyledonary1989

monocotyl1995

1785 T. Martyn tr. J.-J. Rousseau Lett. Elements Bot. xiii. 137 The body of the seed does not split into two lobes, but continues entire. [Note] Such plants are called monocotyledonous; the others dicotyledonous.

1845 J. Lindley School Bot. (1858) i. 19 If the embryo has two cotyledons it is called dicotyledonous, as in the Bean.

1861 A. Pratt Flowering Plants & Ferns Great Brit. I. 13 Dicotyledonous plants have a distinct deposition of pith, cellular tissue, spiral vessels, wood, and bark.

1872 H. Macmillan True Vine iii. 87 Its dicotyledonous seed expands in germinating into two lobes.

1872 D. Oliver Lessons Elem. Bot. (new ed.) i. iv. 46 The Buttercup is dicotyledonous..the character expressed by this term (the possession of a pair of cotyledons, or, more strictly, the simple fact that the first leaves of the plant are opposite).

b. Of or belonging to a dicotyledonous plant.

ΚΠ

1870 R. Bentley Man. Bot. (ed. 2) i. ii. 39 In the inner bark or liber of Dicotyledonous stems.

1876 D. Page Adv. Text-bk. Geol. (ed. 6) ix. 185 The reticulated venation of a dicotyledonous leaf.

This entry has not yet been fully updated (first published 1895; most recently modified version published online September 2018).

单词	dicotyledonous
释义	dicotyledonousadj. /ˌdʌɪkɒtɪˈliːdənəs/ Etymology: formed as dicotyledon n. + -ous suffix. a. Having two cotyledons; belonging to the class of Dicotyledons. ΘΚΠ the world > plants > part of plant > reproductive part(s) > seed > plant having seed > [adjective] > mono-, di-, or polycotyledonous monocotyledonous1770 dicotyledonous1785 polycotyledonous1800 monocotyle1828 monocotyledonous1849 dictyogenous1852 dicotyledonary1870 monocotylous1905 monocot1938 polycotyledonary1989 monocotyl1995 1785 T. Martyn tr. J.-J. Rousseau Lett. Elements Bot. xiii. 137 The body of the seed does not split into two lobes, but continues entire. [Note] Such plants are called monocotyledonous; the others dicotyledonous. 1845 J. Lindley School Bot. (1858) i. 19 If the embryo has two cotyledons it is called dicotyledonous, as in the Bean. 1861 A. Pratt Flowering Plants & Ferns Great Brit. I. 13 Dicotyledonous plants have a distinct deposition of pith, cellular tissue, spiral vessels, wood, and bark. 1872 H. Macmillan True Vine iii. 87 Its dicotyledonous seed expands in germinating into two lobes. 1872 D. Oliver Lessons Elem. Bot. (new ed.) i. iv. 46 The Buttercup is dicotyledonous..the character expressed by this term (the possession of a pair of cotyledons, or, more strictly, the simple fact that the first leaves of the plant are opposite). b. Of or belonging to a dicotyledonous plant. ΚΠ 1870 R. Bentley Man. Bot. (ed. 2) i. ii. 39 In the inner bark or liber of Dicotyledonous stems. 1876 D. Page Adv. Text-bk. Geol. (ed. 6) ix. 185 The reticulated venation of a dicotyledonous leaf. This entry has not yet been fully updated (first published 1895; most recently modified version published online September 2018). < adj.1785
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