apparent candlepower[ə′pa·rənt ′kan·dəl‚pau̇r]
For an extended source of light, at a specified distance, the candlepower of a point source that would produce the same illumination as the extended source at the same distance.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
Of an extended light source at a specified distance: the candlepower of a point source which produces the same illumination at that distance.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.