quantum
UK /ˈkwɒntəm/ · US /ˈkwɑntəm/ noun, adjective
Forms quantums quanta
- noun (now chiefly South Asia or law) The total amount of something; quantity.
- noun (law) The amount of compensation awarded to a successful party in a lawsuit.
- noun (law) The length or magnitude of the sentence handed down to someone who has been found guilty of a crime.
- noun The amount or quantity observably present, or available.
- noun (physics) The smallest possible, and therefore indivisible, unit of a given quantity or quantifiable phenomenon.
- noun (computing) The amount of time allocated for a thread to perform its work in a multithreaded environment.
- noun (medicine) The minimum dose of a pathogen required to cause an infection.
- noun (economics) Amount of goods produced or demanded.
- adjective Of a change, sudden or discrete, without intermediate stages.
- adjective (informal) Of a change, significant.
- adjective (physics) Involving quanta, quantum mechanics or other aspects of quantum physics.
- adjective (computing theory) Relating to a quantum computer.
Antonyms
Etymology
From Late Latin quantum, noun use of neuter form of Latin quantus (“how much”).
Webster’s 1913
- noun Quantity; amount. "Without authenticating . . . the quantum of the charges." Burke.
- noun A definite portion of a manifoldness, limited by a mark or by a boundary. W. K. Clifford. Quantum meruit ( Etym: [L., as much as he merited] (Law), a count in an action grounded on a promise that the defendant would pay to the plaintiff for his service as much as he should deserve.
Etymology [L., neuter of quantus how great, how much. See Quantity,]
Sources: Wiktionary · Webster’s 1913 — from the Wiktionary entry “quantum”, CC BY-SA 4.0. Details