B with stroke (majuscule: Ƀ, minuscule: ƀ) is a letter of the Latin alphabet, formed from ⟨B⟩ with the addition of a bar, which can be through either the ascender or the bowl. It is used as a phonetic symbol to represent to transcribe the sound [β].^[1]

Quick Facts B with stroke, Usage ...

B with stroke
Ƀ ƀ
Usage
Writing system	Latin
Type	Alphabet
Phonetic usage	[β] [v] [b͉] [b] [ʔb]
Unicode codepoint	U+0243, U+0180
History
Development	Β β 𐌁 B b Ƀ ƀ
Sisters	β
Other
Writing direction	Left to right
This article contains phonetic transcriptions in the International Phonetic Alphabet (IPA). For an introductory guide on IPA symbols, see Help:IPA. For the distinction between [ ], / / and ⟨ ⟩, see IPA § Brackets and transcription delimiters.

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⟨Ƀ⟩ is also a letter of the alphabets of the Rade, Jarai and Katu languages of Vietnam, the Panamanian spelling of the Northern Embera language, and is used in standardized texts in Old Saxon for [v] as well as in reconstructed forms of Proto-Germanic.

Look up Ƀ or ƀ in Wiktionary, the free dictionary.

The minuscule form has been present in Unicode since version 1 (1991), but the majuscule form was not added until version 5 (2006).

Before the introduction of the Unicode symbol, ⟨₿⟩ (U+20BF), for the popular cryptocurrency Bitcoin, the symbol for the Thai baht, ⟨฿⟩ (U+0E3F), had sometimes been used. However, this caused possible confusion with the baht while ⟨Ƀ⟩ had no other uses related to currency. Therefore, ⟨Ƀ⟩ had been proposed as a substitute.^[2][3]