kw

«kw» in Mova's school dictionary: kW stands for kilowatt, a unit of power equal to 1,000 watts — its meaning for a pupil, its sense in the lessons and examples.

part of speech

abbreviation (kW, kw)

meaning for a pupil

1) (science) kW stands for kilowatt, a unit of power equal to 1,000 watts. tree →

2) kWh stands for kilowatt-hour, a unit of energy used on electricity bills. tree →

sense in the lessons

Science and everyday life: kettles, heaters and car engines are measured in kW; electricity bills count kWh. It tells the reader how much power a machine uses.

examples

• The kettle uses about 2 kW. tree →
• A small heater may be 1 kW. tree →
• Our electricity bill shows we used 300 kWh. tree →
• The electric car's motor is 150 kW. tree →
• 1 kW = 1,000 watts. tree →
• A 2 kW heater for 3 hours uses 6 kWh. tree →

note

Correct writing: small «k», capital «W» (kW), because the watt is named after James Watt. Maths: kW × hours = kWh; e.g. 2 kW for 3 hours = 6 kWh. Do not mix kW (power) with kWh (energy).

Trees and pragmatics

Every meaning and example of «kw» parsed by Mova, each sentence with its dependency tree and frames.