CasinoLexicon

Online casino vocabulary & definitions

Online casino editorial · 18+

The language of online casino play

Know what the casino words mean.

A plain-language reference for online casino terms, game rules and account messages. Read the definition, then follow its context.

Game terminologyAccount languageDefinitions in context
An original reference-card illustration, with game terms separated by context.RTPVOIDLIMIT
An original reference-card illustration, with game terms separated by context.

Casino terminology

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Bonus balance

Promotional funds governed by an offer’s conditions; not necessarily withdrawable cash.

Contribution rate

The proportion of a qualifying stake counted towards a stated wagering requirement.

House edge

The mathematical expected loss expressed as a proportion of the stake for a defined rule set.

Independent event

An event whose probability is unaffected by the specified previous event, under the model’s assumptions.

Jackpot

A named prize whose trigger, eligibility and size are defined in a game’s rules.

Net result

The difference between money returned and money staked in the calculation being described.

Return to player

A theoretical average proportion of stakes returned as prizes over many plays; not a session guarantee.

Stake

The amount put at risk in a particular bet.

Turnover

The sum of stakes placed; distinct from deposits, losses and account balance.

Volatility

A description of how widely outcomes can vary; it is not a complete payout distribution.

Wagering requirement

A condition specifying a total value of qualifying bets before specified funds become withdrawable.

Withdrawal

A request to transfer eligible funds out of an account through a supported method.

Casino usage notes

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