bivalve

/ˈbaɪvælv/

//ˈbaɪvælv// noun

"bivalve" is a 7-letter English headword indexed on PlainSpell.

The verdict

“bivalve” is uncommon English (frequency #76,578 among 31,241 “B” headwords), classed as a noun. The kind of spelling people second-guess.

#76,578
frequency rank, English
31,241
“B” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Any mollusc belonging to the taxonomic class Bivalvia, characterized by a shell consisting of two hinged sections, such as a scallop, clam, mussel or oyster.

Key facts for bivalve
PropertyValue
Headwordbivalve
LanguageEnglish
Part of speechNoun
IPA/ˈbaɪvælv/
Letters7
Frequency rank#76,578
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “bivalve” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). bivalve lands here:

#1#100#1K#10K#100K
← used constantlyrarely used →

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Rare enough to double-check

bivalve is uncommon English at frequency #76,578 among 31,241 “B” headwords, classed as anoun, transcribed /ˈbaɪvælv/. Rarity is why readers land here mid-draft. 2 senses are on record.

We couldn't generate a plausible misspelling set for bivalve, a straightforward case of a spelling with little room for common typos. Our confusable-pair dataset has no match for it, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Etymologically, the entry records: From bi- (“two”) + valve. The correct English form is bivalve, spelled B-I-V-A-L-V-E.

Definition

  1. 1
    Any mollusc belonging to the taxonomic class Bivalvia, characterized by a shell consisting of two hinged sections, such as a scallop, clam, mussel or oyster.
  2. 2
    A pericarp in which the seedcase opens or splits into two parts or valves.

Etymology

From bi- (“two”) + valve.

This word in other languages

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "bivalve"?
"bivalve" is spelled B-I-V-A-L-V-E. The IPA pronunciation is /ˈbaɪvælv/.
What does "bivalve" mean?
As a noun, "bivalve" means: Any mollusc belonging to the taxonomic class Bivalvia, characterized by a shell consisting of two hinged sections, such as a scallop, clam, mussel or oyster.
How do you pronounce "bivalve"?
The IPA (International Phonetic Alphabet) transcription for "bivalve" is /ˈbaɪvælv/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "bivalve"?
From bi- (“two”) + valve. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Using “bivalve”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is B-I-V-A-L-V-E - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈbaɪvælv/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more English words and confusable pairs in the same reference. English words

Other uncommon English words near this rank

Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list