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cdi

Definition, pronunciation, etymology, and usage for the English word. Free spelling reference powered by Wiktionary.

Letters

3 characters

Language

English

word origin

Source

Wiktionary

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Detailed reference entry for the English word "cdi", 3-letters, with pronunciation in International Phonetic Alphabet notation, etymology traced through Germanic and Romance roots where applicable, common misspelling variants catalogued from Hunspell error dictionaries, and usage frequency ranked against the top 100,000 English words in the Wordfreq corpus. PlainSpell covers English, Spanish, Portuguese, French, and German spelling with confusable-pair detection that highlights visually and phonetically similar words. This entry for "cdi" includes synonyms, antonyms, homophones, and cross-language translation pointers sourced from Wiktionary via the kaikki.org extract. Whether you are verifying the correct spelling of "cdi" for academic writing, checking homophone confusion, or exploring etymological origins, this page provides a citation-backed, free reference that requires no sign-up.

CDI is aEnglishnoun. It means: Initialism of capacitor discharge ignition.

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Key facts for CDI
PropertyValue
HeadwordCDI
LanguageEnglish
Part of speechNoun
Letters3
Frequency rank#52,847
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Frequency rank visualization

Position of CDI in English word frequency (lower rank = more common)

Source: Wordfreq corpus

Spelling & Dictionary Insight

The English entry for CDI is 3 letters long, classified as anoun. Corpus data places it at rank #52,847 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it.Wiktionary records 4 distinct senses for this headword, so context determines which meaning a reader should apply.

No frequent misspelling variants are recorded for CDI in our index, suggesting the orthography either follows predictable English patterns or the word is uncommon enough that typo corpora lack signal.It is not paired with a close-neighbour confusable in our dataset, which tends to mean the word is visually distinctive enough to stand on its own.

No explicit etymology string is stored for this entry, so spelling patterns must be inferred from the word's phoneme-to-grapheme mapping rather than from a documented borrowing chain. For readers arriving here from a spelling check, the authoritative guidance is: the correct English form is CDI, spelled C-D-I, and any other sequence of those letters, regardless of how natural it feels, is a misspelling in standard orthography.

Definition

  1. 1
    Initialism of capacitor discharge ignition.
  2. 2
    Initialism of context(s) and dependency injection.
  3. 3
    Initialism of Clostridioides difficile infection.
  4. 4
    Ellipsis of CDI factor.

Frequency rank: #52,847 in English

Frequently Asked Questions

How do you spell "CDI"?
"CDI" is spelled C-D-I.
What does "CDI" mean?
As a noun, "CDI" means: Initialism of capacitor discharge ignition.
What language does "CDI" come from?
"CDI" 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.

Nearby English words

Other entries that begin with the letter C in our English index:

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Data Source: Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Frequency data from Wordfreq. Misspellings derived from Hunspell dictionaries.