ultraviolet

英 [ˌʌltrəˈvaɪələt]

美 [ˌʌltrəˈvaɪələt]

adj.  紫外线的; 利用紫外线的
n.  紫外线辐射; 紫外光

CET6考研TOEFLIELTSTEM8化学

Collins.1 / BNC.17084 / COCA.9521

牛津词典

adj.

• 紫外线的；利用紫外线的
  of or using electromagnetic waves that are just shorter than those of violet light in the spectrum and that cannot be seen
  1. ultraviolet rays (= that cause the skin to go darker)
     紫外线
  2. an ultraviolet lamp
     紫外线灯

柯林斯词典

• ADJ 紫外的；紫外线的
  Ultravioletlight or radiation is what causes your skin to become darker in colour after you have been in sunlight. In large amounts ultraviolet light is harmful.
  1. The sun's ultraviolet rays are responsible for both tanning and burning.
     阳光中的紫外线是皮肤晒黑和灼伤的根源。

英英释义

noun

• radiation lying in the ultraviolet range
  Synonym:ultraviolet radiationultraviolet lightultraviolet illuminationUV

adj

• having or employing wavelengths shorter than light but longer than X-rays
  1. ultraviolet radiation
  2. an ultraviolet lamp

双语例句

• The Pioneer probes have on board ultraviolet instruments which are measuring light that we can't measure on the earth.
  “先驱者号”太空探测器上装有紫外线仪器，能够对在地球上探测不到的光进行测量。
• A great deal is now known about the kinds of damage produced in the DNA by ultraviolet radiations, to a lesser extent, by ionizing radiations.
  目前已经知道很多关于由紫外线辐射以及在较小程度上由电离辐射引起dna损伤的种类。
• The container is invisible until you shine an ultraviolet light on it
  那个柜子只有用紫外线照射才可以看见。
• Methods Bacterial contamination and ultraviolet lamp irradiation intensity were examined.
  方法对细菌污染与紫外线灯辐射照度值进行检测。
• The system is equipped with an ultraviolet lamp and a halogen lamp that produces near-infrared light.
  该系统还有一个紫外线台灯和能够产生近红外光的卤素灯。
• It screens out lethal ultraviolet and X-rays from the sun.
  它阻挡了来自太阳的致命的紫外线和x射线。
• For other parts of the spectrum, such as the ultraviolet, satellites are necessary to see what objects in space are doing.
  对波谱的另外一些部分，如紫外辐射，必须利用卫星才能知道是宇宙中什么天体产生的。
• The sun's ultraviolet rays are responsible for both tanning and burning.
  阳光中的紫外线是皮肤晒黑和灼伤的根源。
• Halogens also have the necessary absorption in the ultraviolet and rapid dissociation.
  卤素也具有吸收紫外线和分解快这两种特性。
• Electromagnetic radiation with frequencies in the ultraviolet and visible region can be absorbed by molecules.
  分子能吸收频率在紫外和可见光区的电磁辐射。