Dictionary.com
Thesaurus.com

bitcoin

American  
[bit-koin] / ˈbɪtˌkɔɪn /

noun

bitcoins plural
  1. Often Bitcoin the first widely established cryptocurrency, which uses state-of-the-art cryptography, can be issued in any fractional denomination, and has a decentralized distribution system.

    Increasing numbers of stores and online businesses accept Bitcoin.

  2. a single unit of bitcoin, the first widely established cryptocurrency.

    The value of a bitcoin has sometimes surpassed the value of an ounce of gold.


Usage

What's the difference between bitcoin, cryptocurrency, and digital currency? See digital currency ( def. ).

Other Word Forms

Noun Inflected Forms

Etymology

Origin of bitcoin

First recorded in 2005–10; bit 3 ( def. ) + coin

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

AOL’s holding company goes public, the World Cup boosts prediction markets, and Eric Trump loses more than $600 million on Bitcoin.

From Slate • Jul. 11, 2026

Bitcoin was trading at about $46,000 when almost a dozen funds launched on Jan. 11, 2024.

From The Wall Street Journal • Jul. 10, 2026

Prospera in Honduras, Peter Thiel's Seasteading Institute, and Tim Draper's Draper Nation, a fully digital country with Bitcoin as its currency, are all chasing the same idea.

From BBC • Jul. 10, 2026

Bitcoin edged up 0.4% in recent afternoon trading Monday, but had been down as much as 3.6% after the disclosure of the sale was made, according to FactSet data.

From MarketWatch • Jul. 6, 2026

Strategy, a Bitcoin holding company, reported an $8.32 billion loss on digital assets in its second quarter.

From The Wall Street Journal • Jul. 6, 2026

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "bitcoin" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com