Speakur

Word Pronunciation & Dictionary

planetesimal

Word Rarity Very rare

Frequency: Zipf frequency 1.16 in modern English

Syllables
plan-etes-i-mal
IPA
16
Scrabble Score
12
Letters
4
Syllables
9
Unique Chars

Meaning

noun

Any of many small, solid astronomical objects that orbit a star and form protoplanets through mutual gravitational attraction.

adj

Being or relating to one of these astronomical objects.

Example Sentences

  • "a planetesimal body"

Etymology

Formed from planet by analogy with infinitesimal.

Inflected Forms

planetesimals (plural)

Derived Forms

exoplanetesimal preplanetesimal protoplanetesimal satellitesimal

Phrases

minor planet dwarf planet major planet

Frequently Paired Words

protoplanet planetoid minor planet dwarf planet major planet superplanet planet planemo

Questions

What does planetesimal mean?
Any of many small, solid astronomical objects that orbit a star and form protoplanets through mutual gravitational attraction.
Where does planetesimal come from?
Formed from planet by analogy with infinitesimal.

How to pronounce planetesimal

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