How Do You Spell MEGAJOULE?

Pronunciation: [mˈɛɡəd͡ʒˌuːl] (IPA)

The word "megajoule" is spelled with the IPA phonetic transcription /ˈmɛɡəˌdʒuːl/. The "m" and "g" are pronounced as in "meat" and "go", while the first "e" is pronounced as in "met". The "a" in "joule" is pronounced as in "father", and the "o" is pronounced as in "go". The stressed syllable is "joule", with the "j" sound pronounced as in "jump". The final "e" is silent. The word is commonly used in physics to refer to a unit of energy equivalent to one million joules.

Meaning and Definition
Common Misspellings
Etymology
Plural
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MEGAJOULE Meaning and Definition

  1. A megajoule (MJ) is a unit of measurement used to express energy. It is derived from the International System of Units (SI), where the prefix "mega" denotes a factor of one million (10^6). One megajoule is equivalent to one million joules, which is the SI unit for energy.

    A joule is defined as the energy transferred when a force of one newton acts over a distance of one meter in the direction of the force. It is a fundamental unit of energy and allows for the accurate measurement and comparison of energy quantities in various scientific and engineering fields.

    The megajoule is commonly used to quantify and compare large amounts of energy, particularly in industrial, technological, and scientific applications. For example, it is used in the assessment of energy production and consumption, such as in power plants or transportation systems. The higher energy value of the megajoule allows for more concise and manageable figures when dealing with such significant amounts of energy.

    To provide some context, one megajoule is approximately equal to the energy released by burning about 0.238 gallons (1 litre) of gasoline or the work done by a one-horsepower motor in one hour. Additionally, it is roughly equivalent to the energy content of approximately 24 AA batteries or the energy released by the combustion of about 23 grams of natural gas.

Common Misspellings for MEGAJOULE

Etymology of MEGAJOULE

The word "megajoule" is derived from the combination of two units of measurements - "mega" and "joule".

- "Mega" is a prefix derived from the Greek word "megas", meaning "great" or "large". It denotes a factor of one million, so "megajoule" indicates a unit of measure that is one million times larger than a joule.

- "Joule" is the International System of Units (SI) derived unit for energy. It is named after James Prescott Joule, a British physicist who made important contributions to the field of thermodynamics. Joule discovered the relationship between mechanical work and heat, and his work led to the establishment of the principle of conservation of energy.

Plural form of MEGAJOULE is MEGAJOULES