How to Pronounce Ionosphere

To pronounce "ionosphere", say ION-osph-er-e — 4 syllables. Tap play below to hear it in four English accents, or practice it syllable by syllable.

ionosphere

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4

Syllables

10

Letters

ION-osph-er-e

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💡 Tip for remembering “ionosphere”

"ionosphere" has 4 syllables: ion-osph-er-e.

What does ionosphere mean?

noun

  1. The part of the Earth's atmosphere beginning at an altitude of about 50 kilometers (31 miles) and extending outward 500 kilometers (310 miles) or more.
  2. The similar region of the atmosphere of another planet.

Related words

magnetospherenightsidedaysidewaveguidetopsideionopausehomosphereexosphere

Frequently asked questions

How many syllables are in "ionosphere"?▾

"Ionosphere" has 4 syllables: ion · osph · er · e.

What does "ionosphere" mean?▾

Ionosphere: The part of the Earth's atmosphere beginning at an altitude of about 50 kilometers (31 miles) and extending outward 500 kilometers (310 miles) or more.

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