cryo-
/ˈkɹʌɪəʊ/
"cryo" is a 4-letter English headword indexed on PlainSpell.
The verdict
“cryo-” is outside the top-ranked English vocabulary, used as a prefix - the kind of word writers most often double-check.
- Unranked
- below top-frequency English
- 5
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - cold, freezing
| Property | Value |
|---|---|
| Headword | cryo- |
| Language | English |
| Part of speech | Prefix |
| IPA | /ˈkɹʌɪəʊ/ |
| Letters | 5 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “cryo-” sits in English frequency
Spelling & Dictionary Insight
The English entry for cryo- is 5 letters long, classified as a prefix, and transcribed in the International Phonetic Alphabet as /ˈkɹʌɪəʊ/. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. Wiktionary records 2 distinct senses for this headword, so context determines which meaning a reader should apply.
cryo- doesn't appear in our generated misspelling index, which points to an orthography that plays by predictable English rules. This headword has no recorded confusable partner, a sign it's visually distinctive enough not to be mixed up with another word.
Etymologically, the entry records: Learned borrowing from Ancient Greek κρύος (krúos, “ice, icy cold, chill, frost”). The correct English form is cryo-, spelled C-R-Y-O--.
Definition
- 1cold, freezing
- 2cryonics
Etymology
Learned borrowing from Ancient Greek κρύος (krúos, “ice, icy cold, chill, frost”).
Synonyms
Antonyms
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). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
How do you spell "cryo-"?
What does "cryo-" mean?
How do you pronounce "cryo-"?
What is the origin of the word "cryo-"?
Is PlainSpell free to use?
Using “cryo-”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is C-R-Y-O-- - every other letter order is a misspelling in standard orthography.
- Say it as /ˈkɹʌɪəʊ/ (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
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.