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1 X-rays
[eks'reiz] 1. noun plural(rays which can pass through many substances impossible for light to pass through, and which produce a picture of the object through which they have passed.) raze X- X-ray2. verb(to take a photograph of using X-rays: They X-rayed my arm to see if it was broken.) a face o radiografie -
2 electromagnetic waves
[ilektrəməɡ'netik](waves of energy travelling through space etc, eg light waves, X-rays, radio waves.) unde electromagnetice
См. также в других словарях:
cosmic rays — N PLURAL Cosmic rays are rays that reach earth from outer space and consist of atomic nuclei … English dictionary
gamma rays — N PLURAL Gamma rays are a type of electromagnetic radiation that has a shorter wavelength and higher energy than X rays … English dictionary
crepuscular rays — /krəpʌskjələ ˈreɪz/ (say kruhpuskyuhluh rayz) plural noun rays of sunlight or moonlight that appear, because of perspective, to radiate from a single point in the sky, often coming from behind a cloud …
delta rays — plural noun Physics rays of low penetrative power consisting of slow electrons or other particles ejected from atoms by the impact of ionizing radiation … English new terms dictionary
roentgen rays — plural noun dated X rays … English new terms dictionary
X-rays — [plural noun] Röntgen rays (old name) … Useful english dictionary
cosmic rays — plural noun Highly penetrating rays from interstellar space, consisting of protons, electrons, positrons, etc • • • Main Entry: ↑cosmos * * * cosmic rays UK US noun [plural] cosmic radiation Thesaurus: radioactivity and radiationhyponym * * * … Useful english dictionary
gamma rays — gamma radiation or gamma rays noun A penetrating radiation given off by radium and other radioactive substances • • • Main Entry: ↑gamma * * * noun [plural] : powerful invisible rays that are sent out from some radioactive substances called also… … Useful english dictionary
English plural — English grammar series English grammar Contraction Disputes in English grammar English compound English honorifics English personal pronouns English plural English relative clauses English verbs English irregular verbs En … Wikipedia
cathode rays — plural noun Streams of negatively charged particles (electrons) proceeding from the cathode of a vacuum tube • • • Main Entry: ↑cathode * * * cathode rays, the invisible streams of electrons from the cathode in a vacuum tube. When cathode rays… … Useful english dictionary
lenard rays — ˈlāˌnärt , ləˈnärd noun plural Usage: usually capitalized L Etymology: after Philipp Lenard died 1947 German physicist : a mixture of cathode rays that have emerged from a vacuum tube into the outside space through a window consisting of a piece… … Useful english dictionary