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CIDR

/ˈsaɪ.dɚ/noun

CIDR is spelled C-I-D-R: 4 letters. It appears about once in every 31 million words in written English, the 169,822nd most frequent word form (wordfreq, 2021 data). As a noun, CIDR means “Initialism of controlled internal drug release (“technology for the controlled release of a hormone or drug, for example to release progesterone in…” (English Wiktionary, September 2026).

How many letters and syllables are in CIDR?

Letters4: C-I-D-R
In writingabout once in every 31 million words; the 169,822nd most frequent word form
Wrong spellings searchednone measured in search

Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

How common is CIDR?

CIDR appears about once in every 31 million words in written English, the 169,822nd most frequent word form in the list.

Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).

How do you pronounce CIDR?

  • /ˈsaɪ.dɚ/
  • /ˈsaɪː.dɚ/

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: En-us-cider.ogg, Wikimedia Commons (author and licence on each file's page).

What does CIDR mean?

The meanings the English Wiktionary records, quoted as written there (source below).

noun

  1. 1

    Initialism of controlled internal drug release (“technology for the controlled release of a hormone or drug, for example to release progesterone in beef cattle”).

Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).

What to look up after CIDR