system of measurement, metric - a system of related measures that facilitates the quantification of some particular characteristic

graduated table, ordered series, scale, scale of measurement - an ordered reference standard; "judging on a scale of 1 to 10"

Celsius scale, centigrade scale, international scale - a temperature scale that defines the freezing point of water as 0 degrees and the boiling point of water as 100 degrees

Fahrenheit scale - a temperature scale that defines the freezing point of water as 32 degrees and the boiling point of water a 212 degrees

absolute scale, Kelvin scale - a temperature scale that defines absolute zero as 0 degrees; water freezes at 273.16 degrees and boils at 373.16 degrees

Rankine scale - a scale of absolute temperature in Fahrenheit degrees; the freezing point of water is 491.69 degrees and the boiling point of water is 671.69 degrees

Reaumur scale - a temperature scale on which water freezes at 0 degrees and boils at 80 degrees