Word Pronunciation & Dictionary

asthenosphere

/asˈθɛnə(ʊ)sfɪə/

Word Rarity Very rare

Frequency: 1.62 in modern English

Syllables
as-theno-sphere
IPA
/asˈθɛnə(ʊ)sfɪə/
21
Scrabble Score
13
Letters
3
Syllables
9
Unique Chars

Meaning

noun

A portion of the Earth's upper mantle, below the lithosphere.

Example Sentences

Etymology

Etymology tree Proto-Indo-European *né Proto-Indo-European *n̥- Proto-Hellenic *ə- Ancient Greek ἀ- (a-) Ancient Greek σθένος (sthénos) Proto-Indo-European *-os Proto-Indo-European *-ēs Proto-Hellenic *-ēs Ancient Greek -ης (-ēs) Ancient Greek ἀσθενής (asthenḗs)der. English astheno- Ancient Greek σφαῖρᾰ (sphaîră)bor. Latin sphaera Late Latin sphērader. Old French spherebor. Middle English spere English sphere English -sphere English asthenosphere From astheno- + -sphere.

Regional Pronunciation

  • British English: /asˈθɛnə(ʊ)sfɪə/

Inflected Forms

Derived Forms

Questions

How do you pronounce asthenosphere?
The recorded pronunciation is /asˈθɛnə(ʊ)sfɪə/.
What does asthenosphere mean?
A portion of the Earth's upper mantle, below the lithosphere.
Where does asthenosphere come from?
Etymology tree Proto-Indo-European *né Proto-Indo-European *n̥- Proto-Hellenic *ə- Ancient Greek ἀ- (a-) Ancient Greek σθένος (sthénos) Proto-Indo-European *-os Proto-Indo-European *-ēs Proto-Hellenic *-ēs Ancient Greek -ης (-ēs) Ancient Greek ἀσθενής (asthenḗs)der. English astheno- Ancient Greek σφαῖρᾰ (sphaîră)bor. Latin sphaera Late Latin sphērader. Old French spherebor. Middle English spere English sphere English -sphere English asthenosphere From astheno- + -sphere.

How to pronounce asthenosphere

  1. Open the pronunciation page — Open the Speakur entry for “asthenosphere”.
  2. Read the phonetic spelling — Read the IPA spelling (/asˈθɛnə(ʊ)sfɪə/) so you know which sounds to aim for.
  3. Play the audio — Click Play to hear reference audio for “asthenosphere”.
  4. Repeat and practice — Say “asthenosphere” aloud, matching stress and vowels until it feels natural.