ultraviolet
ultraviolet
(Physics)
adjective
(Physics)
adjective
- (of electromagnetic radiation) having a wavelength shorter than that of the violet end of the visible spectrum but longer than that of X-rays
(物理)（电磁辐射）紫外（线）的
■(of equipment or techniques) using or concerned with this radiation
（设备，技术）产生紫外线的；利用紫外线的
an ultraviolet telescope.
紫外望远镜。
- [mass noun]the ultraviolet part of the spectrum; ultraviolet radiation
紫外光；紫外辐射
- Ultraviolet radiation spans wavelengths from about 10 nm to 400 nm, and is an important component of sunlight, although the ozone layer prevents much of it from reaching the earth's surface. While ultraviolet is necessary for the production of vitamin D2 in the skin, it is now known that excessive exposure can be harmful, causing skin cancer and genetic mutation
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- collation n.核对，小吃
- collative adj.校勘的，整理的
- collator n.校对者，整理者
- colleague n.同事,同僚,同行
- colleaguesmanship n.（大学等处）以和名流共事的利益为号召以吸引人才的理论（或做法）
- collect vt.收集,收藏,接走,聚积 vi.募捐,募集 adj.由受话人付费的
- collectable adj.可收集的，可代收的 n.珍藏物
- collectanea n.文选，选集
- collected adj.镇定的,收集成的 v.收集( collect的过去式和过去分词)
- collectedly adv.收集成地，冷静地
- collectible adj.可收集的，可代收的,适于收藏的 n.适宜收藏的东西，业余爱好的收藏物,传统收集之物（如：邮票，辅币，艺术品等）,非传统收藏品[亦作collectable]
- collection n.收集，采集,征收,收藏品,募捐
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