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

• 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。
• 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。
• 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。
• 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。
• Ozone is best known for its role in screening the Earth from harmful ultraviolet rays from the Sun
  臭氧最广为人知的作用是保护地球免受太阳紫外线的伤害。
• By using ultraviolet ( UV) imprint technology, the replication of micro-structure diffraction grating is studied.
  研究了利用紫外压印技术复制微结构光栅的方法。
• The thermal radiation of shorter wavelengths than the visible are called ultraviolet.
  波长短于可见光的辐射称紫外线。
• 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 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。
• Why Don't We See Ultraviolet Or Infrared?
  为什么我们看不见紫外线和红外线？