Категория noun.quantity

the equilibrium constant for a reversible dissociationdissociation constant;
(physics) the universal constant in the gas equation: pressure times volume = R times temperature; equal to 8.3143 joules per kelvin per molegas constant; r; universal gas constant;
(physics) the universal constant relating force to mass and distance in Newton's law of gravitationconstant of gravitation; g; gravitational constant; universal gravitational constant;
(cosmology) the ratio of the speed of recession of a galaxy (due to the expansion of the universe) to its distance from the observer; the Hubble constant is not actually a constant, but is regarded as measuring the expansion rate todayhubble's constant; hubble's parameter; hubble constant; hubble parameter;
the charge on an ion is equal to a constant charge e multiplied by an integer from 1 to 15ionic charge;
the constant of proportionality relating the energy of a photon to its frequency; approximately 6.626 x 10^-34 joule-secondh; planck's constant;
the degree of oxidation of an atom or ion or molecule; for simple atoms or ions the oxidation number is equal to the ionic chargeoxidation number; oxidation state;
(mathematics) the number of elements in a set or group (considered as a property of that grouping)cardinality;
the total number countedcount;
a complete number or quantitycomplement;
the number of red and white corpuscles in a blood sampleblood count;
a count of troops killed in an operation or time periodbody count;
number of copies of a newspaper or magazine that are soldcirculation;
(library science) the count of books that are loaned by a library over a specified periodcirculation;
number of people in a particular grouphead count; headcount;
the number of pollen grains (usually ragweed) in a standard volume of air over a twenty-four hour period and a specified time and placepollen count;
the number of sperm in an ejaculatesperm count;
any of the numbers (or symbols) that form a product when multiplied togetherfactor;
factor by which a quantity that is expressed in one set of units must be multiplied in order to convert it into another set of unitsconversion factor;
the constant value of the ratio of two proportional quantities x and y; usually written y = kx, where k is the factor of proportionalityconstant of proportionality; factor of proportionality;