maser.html - n.
a device using the stimulated emission of radiation by excited atoms to amplify or generate coherent monochromatic electromagnetic radiation in the microwave range (cf. LASER). [microwave amplification by the stimulated emission of radiation]

maser.html - n.
a device using the stimulated emission of radiation by excited atoms to amplify or generate coherent monochromatic electromagnetic radiation in the microwave range (cf. LASER). [microwave amplification by the stimulated emission of radiation]

maser.html - {n.} A paper tape that is stuck around the edges of a surface being painted to keep the paint off the surface next to it. * /The painters put masking tape around the window frames to keep the paint off the glass./

maser.html - See: EN MASSE.

maser.html - See: NAIL ONE'S COLORS TO THE MAST.

maser.html - {n.} 1. A perfect text to which all copies are made to conform; a corrected version used as a standard by printers. * /The master copy must be right, because if it isn't, the mistakes in it will be repeated all through the edition./ 2. A stencil from which other copies are made. * /Mr. Brown told his secretary to save the master copy so that they could run off more copies whenever they needed them./ * /The master copy was too light so many of the copies didn't come out clear./