| free radical |
an atom or group of atoms with at least one unpaired electron; in the body it is usually an oxygen molecule than has lost an electron and will stabilize itself by stealing an electron from a nearby molecule; "in the body free radicals are high-energy particles that ricochet wildly and damage cells"
출처: wordnet.princeton.edu/perl/webwn
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| freeze-drying |
a method of drying food or blood plasma or pharmaceuticals or tissue without destroying their physical structure; material is frozen and then warmed in a vacuum so that the ice sublimes
출처: wordnet.princeton.edu/perl/webwn
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| freezing |
freeze: the withdrawal of heat to change something from a liquid to a solid
출처: wordnet.princeton.edu/perl/webwn
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| free flap |
an island flap detached from the body and reattached at the distant recipient site by microvascular anastomosis.
출처: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| free-air ionization chamber |
an ionization chamber in which the ionization in an accurately defined volume of free air is measured.
출처: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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