| pace rate | the relative speed of progress or change, he lived at a fast pace, he works at a great rate, the pace of events accelerated |
bargain rate
cheapness
cut rate
cut price | a price below the standard price |
constant
constant quantity
invariable | a quantity that does not vary |
law of constant proportion
law of definite proportions | (chemistry) law stating that every pure substance always contains the same elements combined in the same proportions by weight |
typewriter font
constant-width font
fixed-width font
monospaced font | a typeface is which each character is given the same width (as by a typewriter) |
| Postal Rate Commission | an independent federal agency that recommends changes in postal rates |
Lambert
Constant Lambert
Leonard Constant Lambert | English composer and conductor (-) |
pay rate
rate of pay | amount of money received per unit time, women's pay rate is lower than men's |
payment rate
rate of payment
repayment rate
installment rate | the amount of money paid out per unit time |
| tax rate | rate used to calculate tax liability |
interest rate
rate of interest | the percentage of a sum of money charged for its use |
discount rate
discount bank discount | interest on an annual basis deducted in advance on a loan |
| bank rate | the discount rate fixed by a central bank |
| discount rate | the rate of interest set by the Federal Reserve that member banks are charged when they borrow money through the Federal Reserve System |
| base rate | the interest rate set by the Bank of England for lending to other banks |
| prime interest rate | the interest rate on short-term loans that banks charge their commercial customers with high credit ratings |
rate
charge per unit | amount of a charge or payment relative to some basis, a -minute phone call at that rate would cost $ |
freight
freightage
freight rate | the charge for transporting something by common carrier, we pay the freight, the freight rate is usually cheaper |
rate of depreciation
depreciation rate | the rate at which the value of property is reduced, used to calculate tax deduction |
rate of exchange
exchange rate | the charge for exchanging currency of one country for currency of another |
| excursion rate | a reduced rate for a round-trip ticket |
| room rate | the rate charged daily for a hotel room |
basal metabolic rate
BMR | the rate at which heat is produced by an individual in a resting state |
baud
baud rate | (computer science) a data transmission rate (bits
second) for modems |
| constant | a number representing a quantity assumed to have a fixed value in a specified mathematical context, the velocity of light is a constant |
| Boltzmann's constant | constant used in the calculation of the ideal gas constant |
| cosmological constant | an arbitrary constant in the equations of general relativity theory |
| equilibrium constant | (chemistry) the ratio of concentrations when equilibrium is reached in a reversible reaction (when the rate of the forward reaction equals the rate of the reverse reaction) |
| dissociation constant | the equilibrium constant for a reversible dissociation |
gas constant
universal gas constant
R | (physics) the universal constant in the gas equation: pressure times volume R times temperature, equal to . joules per kelvin per mole |
gravitational constant
universal gravitational constant
constant of gravitation
G | (physics) the universal constant relating force to mass and distance in Newton's law of gravitation |
Hubble's constant
Hubble constant
Hubble's parameter
Hubble parameter | (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 today |
Planck's constant
h | the constant of proportionality relating the energy of a photon to its frequency, approximately . x ^- joule-second |
factor of proportionality
constant of proportionality | the constant value of the ratio of two proportional quantities x and y, usually written y kx, where k is the factor of proportionality |
rydberg
rydberg constant
rydberg unit | a wave number characteristic of the wave spectrum of each element |
| rate | a quantity or amount or measure considered as a proportion of another quantity or amount or measure, the literacy rate, the retention rate, the dropout rate |
| absentee rate | the percentage of workers who do not report to work |
| occupancy rate | the percentage of all rental units (as in hotels) are occupied or rented at a given time |
| vacancy rate | the percentage of all rental units (as in hotels) that are unoccupied or not rented at a given time |
| unemployment rate | the percentage of the work force that is unemployed at any given date |
mileage
fuel consumption rate
gasoline mileage
gas mileage | the ratio of the number of miles traveled to the number of gallons of gasoline burned |
| time constant | the ratio of the inductance of a circuit in henries to its resistance in ohms |
employee turnover
turnover rate
turnover | the ratio of the number of workers that had to be replaced in a given time period to the average number of workers |
| time constant | (electronics) the time required for the current or voltage in a circuit to rise or fall exponentially through approximately per cent of its amplitude |
attrition rate
rate of attrition | the rate of shrinkage in size or number |
birthrate
birth rate
fertility
fertility rate
natality | the ratio of live births in an area to the population of that area, expressed per population per year |
| crime rate | the ratio of crimes in an area to the population of that area, expressed per population per year |
| data rate | the rate at which circuits or other devices operate when handling digital information |
deathrate
death rate
mortality
mortality rate
fatality rate | the ratio of deaths in an area to the population of that area, expressed per per year |
| dose rate | the quantity of radiation absorbed per unit time |