irb
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 "irb", 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 "irb" 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 "irb" for academic writing, checking homophone confusion, or exploring etymological origins, this page provides a citation-backed, free reference that requires no sign-up.
IRB is aEnglishnoun. It means: Initialism of institutional review board, a committee that reviews the designs of proposed experiments to confirm whether all the methods proposed are ethical. Often confused with is and it.
| Property | Value |
|---|---|
| Headword | IRB |
| Language | English |
| Part of speech | Noun |
| Letters | 3 |
| Frequency rank | #33,690 |
| Misspellings tracked | 0 |
| Confusable pairs | 20 |
| Source | Wiktionary (kaikki.org) |
Frequency rank visualization
Spelling & Dictionary Insight
The English entry for IRB is 3 letters long, classified as anoun. Corpus data places it at rank #33,690 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 IRB in our index, suggesting the orthography either follows predictable English patterns or the word is uncommon enough that typo corpora lack signal.It also participates in 20 confusable-pair relationships, "is", "it", "IV", and more, where similar look or sound leads writers to substitute one word for another in context.
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 IRB, spelled I-R-B, and any other sequence of those letters, regardless of how natural it feels, is a misspelling in standard orthography.
Definition
- 1Initialism of institutional review board, a committee that reviews the designs of proposed experiments to confirm whether all the methods proposed are ethical.
- 2Initialism of investment review board, a committee of business executives who review investment choices, comparing against strategy and opportunity costs.
- 3Initialism of internal review board, an internal affairs division of a police department.
- 4Initialism of inflatable rescue boat.
Frequency rank: #33,690 in English
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Nearby English words
Other entries that begin with the letter I in our English index: