Pronunciation: ' m ī -kr ō - ˌ b ē m
Function: noun
Date: 1950
: a beam of radiation of small cross section <a focused laser microbeam > <a microbeam of electrons>
Pronunciation: ' m ī -kr ō - ˌ b ē m
Function: noun
Date: 1950
: a beam of radiation of small cross section <a focused laser microbeam > <a microbeam of electrons>
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012