Speakur

Word Pronunciation & Dictionary

protoplanetary

Word Rarity Very rare

Frequency: Zipf frequency 1.66 in modern English

Syllables
pro-to-plan-e-tary
IPA
21
Scrabble Score
14
Letters
5
Syllables
9
Unique Chars

Meaning

adj

Of or pertaining to a protoplanet.

adj

Relating to a stage in the life of a red giant star or its protoplanetary nebula during the star's final stages of life

Etymology

From proto- + planetary and protoplanet + -ary.

Word Breakdown

Inflected Forms

proto-planetary (alternative)

Derived Forms

proplyd

Phrases

protoplanetary core protoplanetary disc protoplanetary disk protoplanetary embryo protoplanetary nebula protoplanetary object inter-planetary post-planetary

Frequently Paired Words

inter-planetary interplanetary planet planetary post-planetary postplanetary pre-planetary preplanetary

Questions

What does protoplanetary mean?
Of or pertaining to a protoplanet.
Where does protoplanetary come from?
From proto- + planetary and protoplanet + -ary.

How to pronounce protoplanetary

  1. Open the pronunciation page — Open the Speakur entry for “protoplanetary”.
  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 “protoplanetary”.
  4. Repeat and practice — Say “protoplanetary” aloud, matching stress and vowels until it feels natural.