Magnitude
/ˈmæɡnɪtjuːd/
Definitions
2 meaningsThe great size or extent of something; the importance or significance of something.
/ˈmæɡnɪtjuːd/
The great size or extent of something.
The magnitude of the disaster was overwhelming.
💡 Simply: Imagine you're talking about how big something is, like a really big problem or a huge earthquake. The magnitude is how much of it there is - how big, how important, or how intense it is. For example, if your friend is in a huge argument with someone, you might say, 'The magnitude of the situation is scary.'
👶 For kids: Magnitude means how big something is! Like how big a building is, or how strong an earthquake is.
More Examples
The magnitude of the project required a large team.
The judge was surprised by the magnitude of the crime.
The magnitude of the financial loss was staggering.
How It's Used
"The earthquake registered a magnitude of 7.0 on the Richter scale."
"The magnitude of the problem became clear as we examined the data."
In astronomy, a measure of the brightness of a celestial body.
/ˈmæɡnɪtjuːd/
A measure of the relative brightness of a celestial body.
The telescope revealed the faint magnitude of the distant galaxy.
💡 Simply: In the sky, magnitude tells you how bright a star or planet is! The lower the number, the brighter it is. So, a star with a magnitude of -1 is super bright, and a star with a magnitude of 6 is pretty dim.
👶 For kids: In space, magnitude is how bright a star is.
More Examples
Astronomers use magnitude to classify the brightness of celestial objects.
The apparent magnitude of the supernova increased dramatically.
How It's Used
"The star's apparent magnitude is 3.0, meaning it is moderately bright."
Synonyms & Antonyms
Idioms & expressions
Order of magnitude
A difference in value by a factor of 10.
"The cost of the project was an order of magnitude higher than initially estimated."
From Latin *magnitūdō* ('greatness, size'), from *magnus* ('great').
The word 'magnitude' has been used since the 14th century, initially referring to physical size or extent, and gradually expanded to include importance and significance. Its usage in astronomy dates back to the 19th century.
Memory tip
Think of a map scale; the higher the number, the greater the magnitude, whether for an earthquake, or the size of a problem.
Word Origin
"great, large"