adaxialadj.

Brit.

/aˈdaksɪəl/, U.S.

/æˈdæksiəl/

Origin: Formed within English, by derivation. Etymons: ad- prefix, axis n.¹, -al suffix¹.

Etymology: < ad- prefix + axis n.¹ + -al suffix¹. Compare abaxial adj. Compare also earlier uniaxial adj. and later axial adj.

Chiefly Botany.

Designating the surface of an organ, esp. a leaf, which during development initially faces towards the main axis or stem (usually uppermost or inner surface); of or relating to such a surface; (formerly also) †designating that which is situated above the main axis (obsolete). Frequently opposed to abaxial.

ΘΚΠ

the world > plants > part of plant > (defined by) distribution, arrangement, or position > [adjective] > of surface position

ventral1832

abaxial1835

adaxial1835

1835 G. T. Burnett Outl. Bot. II. 984 The stamina are..equal in number to the lobes of the corolla and alternate with them, hence 5, rarely reduced to 4, by the abortion of the upper or adaxial one.

1894 F. O. Bower Pract. Bot. 211 These sexual organs are seated, in the monœcious species, in pairs, at the nodes of the leaves, and on the inner, adaxial, side of them.

1903 Bot. Gaz. 36 104 The ovaries are flattened laterally, in contrast to the adaxial flattening of the wings in Pinus.

1975 Jrnl. Appl. Ecol. 12 298 The leaf was mounted with the adaxial surface parallel to the surface of the solarimeter.

2003 O. Leyser & S. Day Mechanisms Plant Devel. v. 100 The adaxial side of the floral meristem, that facing towards the longitudinal axis of the inflorescence, forms the top of the flower.

This entry has been updated (OED Third Edition, December 2011; most recently modified version published online December 2021).

单词	adaxial
释义	adaxialadj. Brit. /aˈdaksɪəl/, U.S. /æˈdæksiəl/ Origin: Formed within English, by derivation. Etymons: ad- prefix, axis n.¹, -al suffix¹. Etymology: < ad- prefix + axis n.¹ + -al suffix¹. Compare abaxial adj. Compare also earlier uniaxial adj. and later axial adj. Chiefly Botany. Designating the surface of an organ, esp. a leaf, which during development initially faces towards the main axis or stem (usually uppermost or inner surface); of or relating to such a surface; (formerly also) †designating that which is situated above the main axis (obsolete). Frequently opposed to abaxial. ΘΚΠ the world > plants > part of plant > (defined by) distribution, arrangement, or position > [adjective] > of surface position ventral1832 abaxial1835 adaxial1835 1835 G. T. Burnett Outl. Bot. II. 984 The stamina are..equal in number to the lobes of the corolla and alternate with them, hence 5, rarely reduced to 4, by the abortion of the upper or adaxial one. 1894 F. O. Bower Pract. Bot. 211 These sexual organs are seated, in the monœcious species, in pairs, at the nodes of the leaves, and on the inner, adaxial, side of them. 1903 Bot. Gaz. 36 104 The ovaries are flattened laterally, in contrast to the adaxial flattening of the wings in Pinus. 1975 Jrnl. Appl. Ecol. 12 298 The leaf was mounted with the adaxial surface parallel to the surface of the solarimeter. 2003 O. Leyser & S. Day Mechanisms Plant Devel. v. 100 The adaxial side of the floral meristem, that facing towards the longitudinal axis of the inflorescence, forms the top of the flower. This entry has been updated (OED Third Edition, December 2011; most recently modified version published online December 2021). < adj.1835
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