convexity

noun

By · According to Wiktionary data (CC BY-SA) ·

"convexity" is a 9-letter English headword indexed on PlainSpell.

The verdict

“convexity” is an uncommon English word, ranked #83,143 in English word frequency and used as a noun.

#83,143
frequency rank, English
9
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The state of being convex.

Key facts for convexity
PropertyValue
Headwordconvexity
LanguageEnglish
Part of speechNoun
Letters9
Frequency rank#83,143
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “convexity” 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). convexity lands here:

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

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

Spelling & Dictionary Insight

The English entry for convexity is 9 letters long, classified as a noun. Corpus data places it at rank #83,143 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 3 distinct senses for this headword, so context determines which meaning a reader should apply.

The misspelling generator found no plausible variants for convexity, since its letter sequence doesn't invite the usual edit-distance slips. Our confusable-pair dataset has no match for it, since nothing in our dataset looks or sounds close enough to cause mix-ups.

Etymologically, the entry records: From convex + -ity. The correct English form is convexity, spelled C-O-N-V-E-X-I-T-Y.

Definition

  1. 1
    The state of being convex.
  2. 2
    A convex line or surface.
  3. 3
    A measure of the curvature in the relationship between the prices and yields of bonds.

Etymology

From convex + -ity.

Antonyms

concavity

This word in other languages

convexidad(Español)convexité(Français)Konvexität(Deutsch)convexidade(Português)

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 "convexity"?
"convexity" is spelled C-O-N-V-E-X-I-T-Y.
What does "convexity" mean?
As a noun, "convexity" means: The state of being convex.
What is the origin of the word "convexity"?
From convex + -ity. 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 “convexity”

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

  • The one correct English spelling is C-O-N-V-E-X-I-T-Y - every other letter order is a misspelling in standard orthography.
  • Browse more English words and confusable pairs in the same reference. English words
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 FrequencyWords open word-frequency list