from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A quantity or amount.
- n. A specified portion.
- n. Something that can be counted or measured.
- n. Physics The smallest amount of a physical quantity that can exist independently, especially a discrete quantity of electromagnetic radiation.
- n. Physics This amount of energy regarded as a unit.
- adj. Relating to or based upon quantum mechanics.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Of a change, sudden or discrete, without intermediate stages.
- adj. Of a change, significant.
- adj. Involving quanta
- adj. Relating to a quantum computer
from the GNU version of the Collaborative International Dictionary of English
- n. Quantity; amount.
- n. A definite portion of a manifoldness, limited by a mark or by a boundary.
from The Century Dictionary and Cyclopedia
- n. That which has quantity; a concrete quantity.
- n. A prescribed, proper, or sufficient amount.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a discrete amount of something that is analogous to the quantities in quantum theory
- n. (physics) the smallest discrete quantity of some physical property that a system can possess (according to quantum theory)
Latin, from neuter of quantus, how great; see quantity.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Late Latin quantum, noun use of neuter form of Latin quantus ("how much"). (Wiktionary)