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Slots have a wide range of names and slang terms that describe slots, inform you about slots, express happiness or disappointment when wins and loses hit. This widespread jargon has become so vast that we need a dictionary today to understand slots. There are free websites to sign up and play in 2021 which will help you understand some terminologies used in slots.

This might be your lucky day, because that is exactly what we have done – we present to you a concise slots dictionary for beginners. You will find everything you need to know here, from game informing parameters, to common phrases used when talking about slots.

RTP Return-to-player. The RTP percentage is a measure of the percentage of stakes a game returns to players (generally over a minimum of one million plays) and is a generally accepted guide to how a game will perform. If a game has an RTP of 96%, then it is expected to pay back 96% of the money wagered over a large amount of spins, such as 1 million.
Volatility/Variance Volatility is a measure of risk. A highly volatile game will have a long series of low paying, or zero return spins followed by random bigger wins. A game with a low volatility index will return money to the player more often but in smaller amounts. There exists medium volatility games which are somewhat of a golden mean between the two types.
Hit Frequency This is a measure of how often a winning combination will hit. If hit frequency measures at 4, then 1 out of every 4 spins is predicted to be successful.
Primary jackpot This is the highest payout prize that a player can win on a jackpot slot. Usually stays at the set sum and doesn’t increase or decrease. Different than a progressive jackpot!
Progressive jackpot Progressive slots have a jackpot that continues to grow until it is won. All the players that play the particular game contribute towards this jackpot until it is won.
RNG Stands for Random Number Generator. The random number generator is a computer program that produces series of numbers every millisecond, even when the slot is idle. The outcome of a spin is decided by the number the RNG produced at the exact moment when you press spin.
Scatter This is a symbol that pays out if enough of them are landed, regardless if it is in a winning combination or not. Most often landing enough scatters will give you a bonus round such as free spins. A highly valuable symbol!
Short win A short win occurs when a player hits a large jackpot within very few spins.
Slot Tournament A tournament where slots players play for a specific prize at a pool of slots.
Sound of Rain This is a phrase used to describe the sound of coins dropping in when a player hits a win.
Stacked Wilds Wild symbols that stack on top of each other on a reel. Might cover the entire reel or not.
Tumbling Reels This is a feature where the winning symbols will disappear off the screen, allowing for the symbols above to fall into their place. This can form brand new winning combinations all within the 1 spin! The process continues until no new winning combinations occur.
Wild A symbol that substitutes for all others except the scatter. Wilds link up winning combinations