dictyogenousadj.

Brit.

/ˌdɪktɪˈɒdʒᵻnəs/,

/ˌdɪktɪˈɒdʒn̩əs/, U.S.

/ˌdɪktiˈɑdʒənəs/

Origin: Formed within English, by derivation. Etymons: dictyogen n., -ous suffix.

Etymology: < dictyogen n. + -ous suffix. In sense 2 after French dictyogène (L. Mangin 1880, in Comptes rendus hebd. de l'Acad. des Sci. 90 1439).

Botany. Now rare.

†1. In the terminology of J. Lindley: of or relating to the dictyogens. Obsolete.

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

1852 J. H. Balfour Class Bk. Bot. I. ii. 139 The venation is reticulated, although the plant is monocotyledonous. It is denominated by Lindley Dictyogenous on that account.

1872 Chambers's Encycl. VII. 270/2 Paris, a genus of plants of the small endogenous or dictyogenous natural order Trilliaceæ.

2. Designating a layer of meristematic tissue in certain monocotyledonous plants (esp. pineapple) from which adventitious root growth occurs, esp. in dictyogenous layer.

ΚΠ

1883 Jrnl. Royal Microsc. Soc. 3 241 The dictyogenous layer, developes [sic] also a special system of fibrovascular bundles intermediate between the root and the stem.

1900 B. D. Jackson Gloss. Bot. Terms 77/1 Dictyogenous layer, a layer of meristem general in monocotyledons, which gives rise to the central ‘body’ and cortex of the young roots.

1949 Bot. Gaz. 110 552/1 The adventitious roots in the pineapple stem originate partly in the dictyogenous layer which lies at the boundary between the cortex and stele and partly in the innermost layers of the cortex.

2000 D. H. Benzing Bromeliaceae ii. 48 Roots originate in the previously mentioned ‘dictyogenous’ zone within about 1 cm of the shoot apex in pineapple.

This entry has been updated (OED Third Edition, November 2010; most recently modified version published online March 2022).

单词	dictyogenous
释义	dictyogenousadj. Brit. /ˌdɪktɪˈɒdʒᵻnəs/, /ˌdɪktɪˈɒdʒn̩əs/, U.S. /ˌdɪktiˈɑdʒənəs/ Origin: Formed within English, by derivation. Etymons: dictyogen n., -ous suffix. Etymology: < dictyogen n. + -ous suffix. In sense 2 after French dictyogène (L. Mangin 1880, in Comptes rendus hebd. de l'Acad. des Sci. 90 1439). Botany. Now rare. †1. In the terminology of J. Lindley: of or relating to the dictyogens. Obsolete. 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 1852 J. H. Balfour Class Bk. Bot. I. ii. 139 The venation is reticulated, although the plant is monocotyledonous. It is denominated by Lindley Dictyogenous on that account. 1872 Chambers's Encycl. VII. 270/2 Paris, a genus of plants of the small endogenous or dictyogenous natural order Trilliaceæ. 2. Designating a layer of meristematic tissue in certain monocotyledonous plants (esp. pineapple) from which adventitious root growth occurs, esp. in dictyogenous layer. ΚΠ 1883 Jrnl. Royal Microsc. Soc. 3 241 The dictyogenous layer, developes [sic] also a special system of fibrovascular bundles intermediate between the root and the stem. 1900 B. D. Jackson Gloss. Bot. Terms 77/1 Dictyogenous layer, a layer of meristem general in monocotyledons, which gives rise to the central ‘body’ and cortex of the young roots. 1949 Bot. Gaz. 110 552/1 The adventitious roots in the pineapple stem originate partly in the dictyogenous layer which lies at the boundary between the cortex and stele and partly in the innermost layers of the cortex. 2000 D. H. Benzing Bromeliaceae ii. 48 Roots originate in the previously mentioned ‘dictyogenous’ zone within about 1 cm of the shoot apex in pineapple. This entry has been updated (OED Third Edition, November 2010; most recently modified version published online March 2022). < adj.1852
随便看	milk cap milk car milk carrier milk carton milk cellar milk chicken milk chocolate milk churn milk circle milk coffee milk company milk cooler milk cow milk crate milk crates milk crust milk dentition million seller million-billowed million-dollar million-dollar question million-dollar weed million-dollar wound million-dollared million-eyed