mi·cro·beam noun \ˈmī-krō-ˌbēm\
: a beam of radiation of small cross section <a focused laser microbeam> <a microbeam of electrons>
First Known Use of MICROBEAM
mi·cro·beam noun \ˈmī-krō-ˌbēm\ (Medical Dictionary)
: a beam of radiation of small cross section <a laser microbeam>
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