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Measuring temperature

absolute zero

noun

-273ºC, the lowest temperature that scientists believe is possible

bimetallic strip

noun

two long pieces of metal fixed together, each of which bends a different amount when they are both heated to the same temperature

boiling point

noun

the temperature at which a liquid boils

C

abbreviation

Celsius

Celsius

noun

a system for measuring temperature that is part of the metric system, in which water freezes at 0 degrees and boils at 100 degrees

centigrade

noun

Celsius

degree

noun

a unit for measuring temperature. Measurements are often expressed as a number followed by the symbol °

eighties

noun

a temperature in the eighties is between 80 and 89 degrees Fahrenheit

F

abbreviation

Fahrenheit

Fahrenheit

noun

a system for measuring temperature in which water freezes at 32º and boils at 212º

Fahrenheit

adjective

measured in Fahrenheit. The written abbreviation is ‘F’

flashpoint

noun

the lowest temperature at which a gas from a liquid will burn in the air

freezing

noun

the temperature at which water freezes and becomes ice

freezing point

noun

the temperature at which a particular liquid freezes

high

noun

a high temperature in an oven or heating system

isotherm

noun

a line on a weather map that connects places where the temperature is the same

kelvin

noun

a unit for measuring temperature

low

noun

used about temperatures

melting point

noun

the temperature at which a solid substance changes into a liquid

mercury

noun

a silver liquid metal element that is used in thermometers (=pieces of equipment that measure temperature)

minus

adjective, preposition

used before a number to show that a number or temperature is less than zero

plus

adjective, conjunction, preposition

used before a number for giving temperatures above zero

sub-zero

adjective

sub-zero temperatures are lower than zero degrees

temperature

noun

a measurement of how hot or how cold a place or object is. Temperature is measured in degrees Celsius or degrees Fahrenheit, using the symbol °

temperature

noun

the measurement of how hot your body is

thermometer

noun

a piece of equipment that measures temperature

thermostat

noun

a piece of equipment that controls the temperature in a building, machine, or engine

warming

noun

an increase in the temperature of something

warmth

noun

the feeling of heat

white heat

noun

the very high temperature at which metal becomes white in colour

wind chill factor

noun

a measurement of the air temperature in a particular place that includes the effect that the wind speed has on how cold you feel

zero

noun

the temperature at which water freezes in the Celsius system

thermostatic

adjective

thermostatically

adverb

the fifties

a temperature in the fifties is between 50 and 59 degrees Fahrenheit

the forties

a temperature in the forties is between 40 and 49 degrees Fahrenheit

the nineties

a temperature in the nineties is between 90 and 99 degrees Fahrenheit

the seventies

a temperature in the seventies is between 70 and 79 degrees Fahrenheit

the sixties

a temperature in the sixties is between 60 and 69 degrees Fahrenheit

Open Dictionary

chicken raffle

any random process, such as a competition in which a name is drawn from a hat

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