请输入您要查询的英文单词:

 

单词 half-principal
释义

> as lemmas

half-principal
half-principal n. Building (now rare) a rafter which does not extend to the crown of the roof and is supported by a purlin; cf. principal n. 6.
Π
1847 E. L. Blackburne Sketches Hist. Decorative Painting Eng. Archit. 88 In the same room is an oak panelled ceiling, on which much of the old painting remains. It is framed in four panels, rising slightly to a ridge, with a kind of half principal, with hanging brackets at each end, against the north and south walls... The half principals and brackets are curiously painted, and are crowned with a carved crest.
1917 Cassier's Engin. Monthly Aug. 89/2 The main structure is sufficiently extended upwards to support also the half principals of the roof.
1958 Chambers's Techn. Dict. (ed. 3) 399 Half-principal, a short rafter which does not reach the ridge of a roof.
extracted from halfadj.
half-principal
Categories »
half-principal n. Carpentry ‘a rafter which does not extend to the crown of the roof’ (E. H. Knight Pract. Dict. Mech. 1875).
extracted from half-comb. form
<
as lemmas
随便看

 

英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2024/12/23 4:02:43