from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The location of the center of a burst of a nuclear weapon at the instant of detonation. The zero point may be in the air, or on or beneath the surface of land or water, depending upon the type of burst, and it is thus to be distinguished from ground zero.
from the GNU version of the Collaborative International Dictionary of English
- n. the point indicating zero, or the commencement of a scale or reckoning.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the point on a scale from which positive or negative numerical quantities can be measured
Sorry, no etymologies found.
Even if the medium is not reading his granddaughter’s mind, she might be obtaining the information from other sources, including what some scientists speculate might be the so-called zero point field mentioned earlier.