Kilowatt Hour

Pronunciation: /ˈkɪloʊwæt aʊər/

Definitions of kilowatt hour

noun a measure of electrical energy equivalent to a power consumption of 1,000 watts for 1 hour

Example Sentences

A1 A kilowatt hour is a unit of measurement for electricity.

A2 The average household uses about 10 kilowatt hours of electricity per day.

B1 The cost of one kilowatt hour of electricity varies depending on the provider.

B2 Energy-efficient appliances can help reduce your kilowatt hour usage.

C1 Calculating the kilowatt hour consumption of a commercial building requires detailed energy data.

C2 The kilowatt hour rate set by the government is subject to change annually.

Examples of kilowatt hour in a Sentence

formal The electricity bill is calculated in kilowatt hours.

informal I used up a lot of kilowatt hours running the air conditioner all day.

slang I gotta watch my kilowatt hours if I want to keep the electricity bill low.

figurative His energy level was like a kilowatt hour, always at maximum capacity.

Grammatical Forms of kilowatt hour

• plural: kilowatt hours
• comparative: more kilowatt hours
• superlative: most kilowatt hours
• present tense: use kilowatt hours
• future tense: will use kilowatt hours
• perfect tense: have used kilowatt hours
• continuous tense: are using kilowatt hours
• singular: kilowatt hour
• positive degree: kilowatt hour
• infinitive: to use kilowatt hours
• gerund: using kilowatt hours
• participle: used kilowatt hours

Origin and Evolution of kilowatt hour

First Known Use: 1882 year

Language of Origin: English

Story behind the word: The term 'kilowatt hour' originated in the field of electrical engineering to measure the amount of energy consumed over a period of time.

Evolution of the word: Originally used in the context of electricity consumption, the term 'kilowatt hour' has remained consistent in its meaning and usage since its inception in the late 19th century.