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noun B2 Upper-Intermediate Common

altitude

ALT-ih-tyood

Altitude (noun) means the height of something above sea level or the ground. Example: “The plane cruised at an altitude of 35,000 feet.”

noun
1
The height of something above sea level or the ground.
"The plane cruised at an altitude of 35,000 feet."
"Athletes often train at high altitude to boost their endurance."
2
In geometry, the perpendicular distance from a shape's vertex to the opposite side.
"To find the triangle's area, multiply the base by the altitude and divide by two."

How to Use Altitude

Learner’s notes

In plain EnglishHow high something is, whether that's a plane, a mountain, or a point in a geometric shape.

Common pairings
high altitude gain altitude altitude sickness

Word Forms

altitudes plural

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Test yourself on “altitude” A quick quiz — meaning, synonyms & usage

Fill the Gap

Can you complete this real example?

The plane cruised at an _____ of 35,000 feet.

Etymology

From Latin altitudo, "height," from altus, "high."

Origin: Latin

Related Words

Rhymes for altitude

See all rhymes for altitude →

Frequently Asked Questions

What does “altitude” mean?

The word “altitude” means the height of something above sea level or the ground. In plain terms, how high something is, whether that's a plane, a mountain, or a point in a geometric shape.

How do you pronounce “altitude”?

“Altitude” is pronounced ALT-ih-tyood (/ˈælt.ɪˌtjuːd/ in IPA).

How do you use “altitude” in a sentence?

Here is “altitude” used in a sentence: “The plane cruised at an altitude of 35,000 feet.”

What part of speech is “altitude”?

“Altitude” is a noun.

Where does the word “altitude” come from?

The word “altitude” comes from Latin. From Latin altitudo, "height," from altus, "high.".

Is “altitude” a common word?

“Altitude” is a fairly common word in modern English, usually learned at around the B2 level.

How many meanings does “altitude” have?

“Altitude” has 2 distinct senses listed in this dictionary. The most common is: the height of something above sea level or the ground.

What is the difference between 'altitude' and 'elevation'?

'Elevation' usually refers to the fixed height of a point on the ground, such as a mountain or a town, above sea level. 'Altitude' more often refers to the height of an object, such as an aircraft, above sea level or the ground below it.

What is the difference between 'altitude' and 'height'?

'Height' is a general measurement of how tall something is from its base. 'Altitude' specifically measures distance upward relative to sea level or the ground, and is used especially for aircraft and in geography.

What is the difference between 'altitude' and 'latitude'?

The two are easily confused because they sound similar but mean very different things. 'Altitude' is a vertical measurement of height above sea level, while 'latitude' is a measure of how far north or south a place is on the Earth's surface.

What is the altitude of a triangle?

In geometry, the altitude of a triangle is the perpendicular distance from one vertex straight to the opposite side, or the line segment representing that distance. Each triangle has three altitudes, one from each vertex.

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