gnomon

英式音标：['nəʊmɒn]播放读音

美式音标：['noʊmɒn]播放读音

词汇分类：生长和形态 2,白鲸 Moby Dick: or the White Whale,Word Menu

概况：

n. 指时针；日晷

词义：

n.

（日晷的）指时针；

英英释义

gnomon[ 'nəumɔn ]

n.indicator provided by the stationary arm whose shadow indicates the time on the sundial

用法：

双语例句

用作名词(n.)

A stake used for this purpose was the earliest type of sundial and was called a gnomon.
这种特定的标杆就是最早的一种日晷仪，人们称之为日晷仪标杆。

权威例句

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Fragility of the esophageal mucosa: a pathognomonic endoscopic sign of primary eosinophilic esophagitis?

A global shallow-water model using an expanded spherical cube: Gnomonic versus conformal coordinates

Sequential appearance and accumulation of pathognomonic markers in the central nervous system of hamsters orally infected with scrap...

Asymmetric septal hypertrophy. Echocardiographic identification of the pathognomonic anatomic abnormality of IHSS.

Interleukin-5 Expression in the Lung Epithelium of Transgenic Mice Leads to Pulmonary Changes Pathognomonic of Asthma

Phylogenetic placement and taxonomic review of the genus Cryptosporella and its synonyms Ophiovalsa and Winterella (Gnomoniaceae, Di...

同义词：sundial,solarium

英语词源：

gnomon (n.)

"vertical shaft that tells time by the shadow it casts" (especially the triangular plate on a sundial), 1540s, from Latin gnomon, from Greek gnomon "indicator (of a sundial), carpenter's rule," also, in plural, "the teeth that mark the age of a horse or mule," literally "one that discerns or examines," from gignoskein "to come to know" (see gnostic (adj.)). In geometry from 1560s, from a use in Greek. In early use in English sometimes folk-etymologized as knowman. Related: Gnomonic.

造句：

1. The record of the use of the gnomon-and-ruler in the ancient book The Rites of Zhou (《周礼》) confirms the

圭表是我国最古老的一种计时器，古代典籍《周礼》中就有关于使用土圭的记载，可见圭表的历史相当久远。

-- 来源 -- 中国文学部分 - gudaidejishiqi

2. indicates the daylight hours by the shadow that the gnomon casts on a calibrated dial.

通过指时针在标准刻度盘上的投影计算白天时间的仪器。

-- 来源 -- 汉英 - 翻译参考

3. The invention and use of the gnomon-and-ruler, sundial, clepsydra and other time-measuring machines is

圭表、日晷、漏刻等计时仪器的发明和应用，证明中华民族是个充满智慧的民族。

-- 来源 -- 中国文学部分 - gudaidejishiqi

4. A stake used for this purpose was the earliest type of sundial and was called a gnomon.

这种特定的标杆就是最早的一种日晷仪，人们称之为日晷仪标杆。

-- 来源 -- 英汉 - 辞典例句

5. It appears as a small gnomon with lines extending in each major direction (along the X, Y, and Zaxis)

它看起来象是一个小的指时针和在每个主要的轴向上（X，Y，Z轴）的线的延伸。

-- 来源 -- 网友提供

6. In all cases the gnomon lies in the plane of the meridian.

表始终都处于子午面内。

-- 来源 -- 英汉 - 辞典例句

7. The post or stone pillar standing upright on the ground to cast a shadow is called biao (gnomon) and

它由两部分组成，一是直立于平地上的测日影的标杆或石柱，叫做表； 一为正南正北方向平放的测定表影长度的刻板，叫做圭。

-- 来源 -- 中国文学部分 - gudaidejishiqi

8. The gnomon-and-ruler indicates the time by the length of the shadow of stylus in the sun.

圭表是利用太阳射影的长短来判断时间的。

-- 来源 -- 中国文学部分 - gudaidejishiqi