deoxyribonucleic acid

/di.ɒk.sɪˌɹaɪ.bəʊ.njuːˈkleɪ.ɪk ˈæ.sɪd/

//di.ɒk.sɪˌɹaɪ.bəʊ.njuːˈkleɪ.ɪk ˈæ.sɪd// noun

"deoxyribonucleic-acid" is a 20-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
21
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A nucleic acid found in all living things (and some non-living things such as certain viruses) which consists of two polynucleotide chains that coil around each other to form a double helix; encode...

Corpus desk

Index EN-deoxyribonucleic-acid · deoxyribonucleic acid · English

deoxyribonucleic acid · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 21 letters
  • VOW-10 10 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "D" 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 deoxyribonucleic acid
PropertyValue
Headworddeoxyribonucleic acid
LanguageEnglish
Part of speechNoun
IPA/di.ɒk.sɪˌɹaɪ.bəʊ.njuːˈkleɪ.ɪk ˈæ.sɪd/
Letters21
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “deoxyribonucleic acid” in English

deoxyribonucleic acidranks 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

deoxyribonucleic acid is uncommon English outside the top frequency list, classed as anoun, transcribed /di.ɒk.sɪˌɹaɪ.bəʊ.njuːˈkleɪ.ɪk ˈæ.sɪd/. Rarity is why readers land here mid-draft. Gloss: "A nucleic acid found in all living things (and some non-living things such as certain viruses) which consists of two polynucleotide chains that coil around each other to form a double helix; encode...".

Zero misspellings are on record for deoxyribonucleic acid in our index, suggesting the orthography follows predictable English patterns. We don't track a confusable pairing for this entry, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Wiktionary doesn't record an etymology for this headword, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct English form is deoxyribonucleic acid, spelled D-E-O-X-Y-R-I-B-O-N-U-C-L-E-I-C- -A-C-I-D.

Definition

  1. 1
    A nucleic acid found in all living things (and some non-living things such as certain viruses) which consists of two polynucleotide chains that coil around each other to form a double helix; encoded in its structure are genetic instructions for development, functioning, growth, and reproduction.

Recorded use

Wiktionary example

These source excerpts show how deoxyribonucleic acid appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Meronym: nucleotide

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 "deoxyribonucleic acid"?
"deoxyribonucleic acid" is spelled D-E-O-X-Y-R-I-B-O-N-U-C-L-E-I-C- -A-C-I-D. The IPA pronunciation is /di.ɒk.sɪˌɹaɪ.bəʊ.njuːˈkleɪ.ɪk ˈæ.sɪd/.
What does "deoxyribonucleic acid" mean?
As a noun, "deoxyribonucleic acid" means: A nucleic acid found in all living things (and some non-living things such as certain viruses) which consists of two polynucleotide chains that coil around each other to form a double helix; encode...
How do you pronounce "deoxyribonucleic acid"?
The IPA (International Phonetic Alphabet) transcription for "deoxyribonucleic acid" is /di.ɒk.sɪˌɹaɪ.bəʊ.njuːˈkleɪ.ɪk ˈæ.sɪd/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "deoxyribonucleic acid" come from?
"deoxyribonucleic acid" is a English word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
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