| radiometry |
The technique of measuring radiant energy, especially radiant energy in that portion of the total electromagnetic spectrum lying adjacent to the visible region. Radiometry is to be distinguished from the closely related subject of photometry, the latter being specifically concerned with the quantitative response to visible radiation of the human eye. See actinometer.
출처: amsglossary.allenpress.com/glossary/browse
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| radicle |
(L. radix, root) That portion of the plant embryo which develops into the primary or seed root.
출처: www.fao.org/docrep/003/X3910E/X3910E21.htm
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| radioactive isotope |
An unstable isotope that emits ionizing radiation.
출처: www.fao.org/docrep/003/X3910E/X3910E21.htm
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| radial keratotomy |
a surgical procedure for correcting nearsightedness in which tiny cuts are made in the cornea to change its shape and focusing properties
출처: www.american-depot.com/services/resources_gl_r.asp
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| radiculopathy |
any disease of the nerve roots; can be caused by disk prolapse, arthritis, and other problems
출처: www.american-depot.com/services/resources_gl_r.asp
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