quantitative relation

a relation between magnitudes ;

quantity

how much there is of something that you can quantify ; an adequate or large amount; "he had a quantity of ammunition" ; something that has a magnitude and can be represented in mathematical expressions by a constant or a variable ;

quantity unit

a measure of the quantity of electricity (determined by the amount of an electric current and the time for which it flows) ;

quantization

the act of dividing into quanta or expressing in terms of quantum theory ;

quantong

red Australian fruit; used for dessert or in jam ;

quantum

(physics) the smallest discrete quantity of some physical property that a system can possess (according to quantum theory) ; a discrete amount of something that is analogous to the quantum in quantum theory ;

quantum chromodynamics

a theory of strong interactions between elementary particles (including the interaction that binds protons and neutrons in the nucleus); it assumes that strongly interacting particles (hadrons) are made of quarks and that gluons bind the quarks together ;

quantum electrodynamics

a relativistic quantum theory of the electromagnetic interactions of photons and electrons and muons ;

quantum field theory

the branch of quantum physics that is concerned with the theory of fields; it was motivated by the question of how an atom radiates light as its electrons jump from excited states ;

quantum jump

a sudden large increase or advance; "this may not insure success but it will represent a quantum leap from last summer" ; (physics) an abrupt transition of an electron or atom or molecule from one quantum state to another with the emission or absorption of a quantum ;

quantum leap

a sudden large increase or advance; "this may not insure success but it will represent a quantum leap from last summer" ;

quantum mechanics

the branch of quantum physics that accounts for matter at the atomic level; an extension of statistical mechanics based on quantum theory (especially the Pauli exclusion principle) ;

quantum physics

the branch of physics based on quantum theory ;

quantum theory

(physics) a physical theory that certain properties occur only in discrete amounts (quanta) ;

quaoar

a planetoid discovered in 2002 ;

quapaw

the Dhegiha dialect spoken by the Quapaw ; a member of the Siouan people of the Arkansas river valley in Arkansas ;

quarantine

isolation to prevent the spread of infectious disease ; enforced isolation of patients suffering from a contagious disease in order to prevent the spread of disease ;

quark

fresh unripened cheese of a smooth texture made from pasteurized milk, a starter, and rennet ; (physics) hypothetical truly fundamental particle in mesons and baryons; there are supposed to be six flavors of quarks (and their antiquarks), which come in pairs; each has an electric charge of +2/3 or -1/3; "quarks have not been observed directly but theoretical predictions based on their existence have been confirmed experimentally" ;

quark cheese

fresh unripened cheese of a smooth texture made from pasteurized milk, a starter, and rennet ;

quarrel

an arrow that is shot from a crossbow; has a head with four edges ; an angry dispute; "they had a quarrel"; "they had words" ;

quarreler

a disputant who quarrels ;

quarreller

a disputant who quarrels ;

quarrelsomeness

an inclination to be quarrelsome and contentious ;

quarrier

a man who works in a quarry ;

quarry

animal hunted or caught for food ; a surface excavation for extracting stone or slate; "a British term for `quarry' is `stone pit'" ; a person who is the aim of an attack (especially a victim of ridicule or exploitation) by some hostile person or influence; "he fell prey to muggers"; "everyone was fair game"; "the target of a manhunt" ;

quarrying

the extraction of building stone or slate from an open surface quarry ;

quarryman

a man who works in a quarry ;

quart

a United States liquid unit equal to 32 fluid ounces; four quarts equal one gallon ; a United States dry unit equal to 2 pints or 67.2 cubic inches ; a British imperial capacity measure (liquid or dry) equal to 2 pints or 1.136 liters ;

quartan

a malarial fever that recurs every fourth day ;

quarter

clemency or mercy shown to a defeated opponent; "he surrendered but asked for quarter" ; piece of leather that comprises the part of a shoe or boot covering the heel and joining the vamp ; the rear part of a ship ; a district of a city having some distinguishing character; "the Latin Quarter" ; an unspecified person; "he dropped a word in the right quarter" ; a United States coin worth one fourth of a dollar; "he fed four quarters into the slot machine" ; a quarter of a hundredweight (28 pounds) ; a quarter of a hundredweight (25 pounds) ; one of four equal parts; "a quarter of a pound" ; one of the four major division of the compass; "the wind is coming from that quarter" ; a fourth part of a year; three months; "unemployment fell during the last quarter" ; one of four periods into which the school year is divided; "the fall quarter ends at Christmas" ; a unit of time equal to 15 minutes or a quarter of an hour; "it's a quarter til 4"; "a quarter after 4 o'clock" ; one of four periods of play into which some games are divided; "both teams scored in the first quarter" ;

quarter-century

a period of 25 years ;

quarter-circle

a quarter of the circumference of a circle ;

quarter-hour

a quarter of an hour ;

quarter-tone

half of a semitone ;

quarter-vine

woody flowering vine of southern United States; stems show a cross in transverse section ;

quarter crack

a crack on the inside of a horse's forefoot ;

quarter day

a Christian holy day; one of four specified days when certain payments are due ;

quarter horse

a small powerful horse originally bred for sprinting in quarter-mile races in Virginia ;

quarter mile

a unit of length equal to a quarter of 1 mile ;

quarter note

a musical note having the time value of a quarter of a whole note ;