cryo-

/ˈkɹʌɪəʊ/

//ˈkɹʌɪəʊ// prefix

"cryo" is a 4-letter English headword indexed on PlainSpell.

The verdict

“cryo-” is uncommon English (outside the top frequency list), classed as a prefix. The kind of spelling people second-guess.

Unranked
below top-frequency English
5
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - cold, freezing

Corpus desk

Index EN-cryo · cryo- · English

cryo- · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MID 5 letters
  • VOW-2 2 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "C" thin
  • PHOTO-UNK Peer pending

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for cryo-
PropertyValue
Headwordcryo-
LanguageEnglish
Part of speechPrefix
IPA/ˈkɹʌɪəʊ/
Letters5
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “cryo-” in English

cryo-ranks outside the top 100,000 English headwords, in the long tail of specialist, archaic, or seldom-used vocabulary, exactly the territory where a reader stops mid-sentence to double-check spelling.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

cryo- is uncommon English outside the top frequency list, classed as aprefix, transcribed /ˈkɹʌɪəʊ/. Rarity is why readers land here mid-draft. 2 senses are on record.

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

  1. 1
    cold, freezing
  2. 2
    cryonics

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-"?
"cryo-" is spelled C-R-Y-O--. The IPA pronunciation is /ˈkɹʌɪəʊ/.
What does "cryo-" mean?
As a prefix, "cryo-" means: cold, freezing
How do you pronounce "cryo-"?
The IPA (International Phonetic Alphabet) transcription for "cryo-" is /ˈkɹʌɪəʊ/. 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 "cryo-"?
Learned borrowing from Ancient Greek κρύος (krúos, “ice, icy cold, chill, frost”). 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.

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

Source: FrequencyWords open word-frequency list