amount of a charge or payment relative to some basis; "a 10-minute phone call at that rate would cost $5"
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"
a magnitude or frequency relative to a time unit; "they traveled at a rate of 55 miles per hour"; "the rate of change was faster than expected"
assign a rank or rating to; "how would you rank these students?"; "The restaurant is rated highly in the food guide"
estimate the value of; "How would you rate his chances to become President?"; "Gold was rated highly among the Romans"
be worthy of or have a certain rating; "This bond rates highly"
the act of allowing; "He objected to the allowance of smoking in the dining room"
a permissible difference; allowing some freedom to move within limits
an amount added or deducted on the basis of qualifying circumstances; "an allowance for profit"
an amount allowed or granted (as during a given period); "travel allowance"; "my weekly allowance of two eggs"; "a child's allowance should not be too generous"
(chemistry) a surface forming a common boundary between two things (two objects or liquids or chemical phases)
(computer science) computer circuit consisting of the hardware and associated circuitry that links one device with another (especially a computer and a hard disk drive or other peripherals)
the overlap where two theories or phenomena affect each other or have links with each other; "the interface between chemistry and biology"
(computer science) a program that controls a display for the user (usually on a computer monitor) and that allows the user to interact with the system