英:[ɪ'lju:mɪnənt]
美:[ɪ'ljumənənt]
英:[ɪ'lju:mɪnənt]
美:[ɪ'ljumənənt]
il·lu·mi·nant
ih lu m nnt
词根:illumine
n.illuminance [光] 照度;照明度(等于illumination)
vt.illumine 照明,点亮;启发
施照体
The first known use of illuminant was in 1644
illuminantnoun
an illuminating device or substance (as for a microscope)
1 If the gilds forbade the carrying on of a craft by night, it was because the dim gloom of ancient illuminants meant bad work, and not because protracted toil made unhealthy workmen.
2 The nearer ultra-violet rays are found in sunlight and in most artificial illuminants and are transmitted by ordinary glass.
3 Kerosene was the dominant illuminant fuel for a few decades between the decline of whale oil and the rise of electricity.
4 Certain subsidiary influences, however, also deserve notice, especially the introduction of cheap illuminants.
5 When petroleum began to be used as an illuminant it is impossible to say.
6 Petroleum has been used to some extent both as a fuel and as an illuminant.
7 Coal oil and electricity have since been found better illuminants for this purpose.
8 A fixture even more than a star, either way an illuminant.
9 The airy, brick-lined museum calls attention to their historic magnitude, feats of engineering and the inventors who perfected illuminants and optics.
10 The same arrangement must be used with other illuminants, such as oil, only in this case the lanterns must be mounted side by side, on account of the tall chimneys.
11 High illuminant efficiency, long life.
发光效率高, 耗电少,寿命持久.
12 What on earth can we be searching for when the "candle of the Lord," as Locke called it, is the very illuminant we must employ in our search?
13 When a substitute was needed for sperm oil, after almost numberless experiments, he showed that lard oil is the best illuminant, thereby saving the country over one hundred thousand dollars yearly, since 1865.
14 The street cars moving in the English coast cities must, of course, be lighted and the streets must have some illuminant; but the railroad carriages, hotels, and private houses must draw their curtains.
15 Showing that, if the Russian oil is a little lower in illuminants, it quite makes up by extra volume, but it seemed to me to deposit a much larger proportion of carbon.
16 Last pace, choose illuminant for lamps and lanterns.
最后一步,为灯具选择光源。
17 It is very difficult to select practical artificial illuminants, because of the various color properties possessed by each.
18 This invention is suitable for the reading of single-paged material outdoors or places without lighting equipment at night, and the illuminant is stable and soft.
本发明夜间阅读装置主要应用于于夜间室外或无照明地区时阅读单页资料时的照明使用,使用时于需阅读的纸张背面提供亮光,光源稳定而又柔和。
19 Above all method is compensatory and artificial illuminant.
首先的办法是补充人工光源。
20 The lights of San Remo looked very alluring to him, who had for so long spent his nights at sea with no more companionable illuminant than a reeking kerosene lamp or the cold, aloof stars.
1 发光
aglisten relucent bright radiant shining luminous radiative beaming lucent luminiferous lightsome aglint irradiant luciferous aglare radiantly radiation radiance irradiation luminescence lucency light burn shine beam flush glow twinkle kindle golden sparkling lucid incandescent coruscant flame blaze gleam coruscate glister effulgent shiny orient photogenic aglow fire radiate irradiate flaring photic sheeny streamy luminant ablaze luminance irradiance glance gloss brighten glisten luminesce glint agleam luminary luminescent irradiated beamy needfire glitter gloze effulge resplend fulgurate sun lamp ignite sheen luster
2 发光物
3 发光的
aglisten relucent bright radiant shining luminous radiative beaming lucent luminiferous lightsome aglint irradiant luciferous aglare photogenic luculent golden sparkling lucid incandescent coruscant effulgent shiny orient light irradiate flaring photic sheeny streamy luminant agleam luminary luminescent irradiated beamy
4 照亮
illuminating illuminative illuminatingly strike shine illuminate illumine strike upon flame light kindle beacon illume shed light on litten lamp lighten radiate
6 照明的
8 照亮的