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A unit of power equal to 10-12 watt, or one-millionth of a microwatt. Abbreviated pW.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
A unit of power equal to a millionth of one-millionth of a watt (i.e., 10-12 W).
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.