■ noun
1》 [in combination ] a person or thing that gets a specified desirable thing: an attention-~.
2》 Electronics & Physics a substance used to remove residual gas from a vacuum tube, or impurities or defects from a semiconductor crystal.
■ noun
1》 [in combination ] a person or thing that gets a specified desirable thing: an attention-~.
2》 Electronics & Physics a substance used to remove residual gas from a vacuum tube, or impurities or defects from a semiconductor crystal.
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004