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Slot Machine Terms: A-Z of Slot Success

Slot Machine Terms: A-Z of Slot Success

Getting started on learning how to play slots? Well, you’ve come to the right place! While you may already be familiar with a few slot machine terms—multipliers, wild symbols, the usual—it’s still important to get down to the nitty-gritty of it if you’re looking to take slot playing seriously.

With that, below are the slot terms you should learn before diving deep into the word online slots!

A to D: Slot Machine Terms

243 Ways to Win, Slots with 243 potential winning combinations, not restricted to traditional paylines.

3-Reel. Classic slot machines with three reels of symbols. Learn all about the types of slot machines online.

3D Slots. Slot games with three-dimensional graphics, offering an immersive experience.

5-Reel. In slot machine terms, these are slots with five reels, offering more combinations and features.

Action. The total amount wagered, won, or lost during a session.

All Ways. Slots where winning combinations can occur anywhere on adjacent reels.

Auto Spin. A feature that allows the slot to spin automatically for a specified number of times.

Autoplay. A feature that allows the machine to spin automatically for a set number of spins. Learn more about slot features.

A visual representation of the BAR slot symbol on a classic slot machine. In slot machine terms, it is a symbol that appears in variations.
A visual representation of the BAR slot symbol on a classic slot machine. In slot machine terms, it is a symbol that appears in variations.

BAR. A common slot symbol that may appear as single, double, or triple variations.

Bet Max. Betting the maximum number of credits allowed on a single spin.

Bet Min. Betting the minimum number of credits allowed on a single spin.

Bet. The amount of money wagered on a spin.

Big Bertha. In slot machine terms, it is an oversized slot machine in land-based casinos that is often used to attract attention.

Big Hit. Landing a significant win, often a jackpot-level prize.

Bonus Buy. Purchasing direct access to a slot’s bonus round.

Bonus Multiplier Slot Machines. Slots offering larger jackpots for betting the maximum number of credits.

Bonus Round. An extra game within a slot that offers additional winning opportunities.

Bonus. Additional features or rewards, often triggered by specific symbols.

Branded Slots. Also known as “themed slots”, these are slots designed around popular brands, movies, or TV shows.

Candle. The light on top of a slot machine, which flashes to indicate various states.

Carousel. A group of slot machines arranged in a circle or oval.

Panda Warrior is a slot game with cascading reels. In slot machine terms, cascading reels are symbols that fall from above after replacing winning combinations.
Panda Warrior is a slot game with cascading reels. In slot machine terms, cascading reels are symbols that fall from above after replacing winning combinations.

Cascading Reels. Symbols fall from above, replacing winning combinations and creating new chances to win.

Certified Slots. In slot machine terms, they are slots tested and approved for fair play by gaming authorities.

Classic Slots. Traditional slot machines with simple features and often fruit symbols. Check out our top list of the best fruit slots online!

Coin Slot. Where players insert coins to play (mostly replaced by digital credits).

Cold Slot. A slot machine that appears to pay out infrequently.

Collect. Cashing in credits or coins won on a slot machine.

Credits. In online casinos, it is the digital representation of money used to place bets.

Denomination. The value of each credit in a slot machine.

Double Up. A slot feature that allows players to gamble their winnings for a chance to double them.

E to M: Slot Machine Terms

Expanding Reels. Reels that can expand to allow more symbol positions and winning combinations.

Feature. Special games or bonus rounds that offer additional win opportunities in online slots.

Five Liner. Classic slots with five paylines.

Fixed Value Slots. Slots with a set jackpot or top prize that doesn’t change.

Free Spins. Spins that are awarded without wagering additional credits. They are also often part of a bonus round.

Freeplay/Free-to-Play. Slots that can be played for free without risking real money.

Fruit Machine. Another slot terminology for classic slot machines with fruit symbols.

Easter Eggs slot and its gamble feature. In slot machine terms, the gamble feature is an additional feature that allows players to double or lose winnings.
Easter Eggs slot and its gamble feature. In slot machine terms, the gamble feature is an additional feature that allows players to double or lose winnings.

Gamble Feature. Allows players to risk winnings for a chance to double or lose them.

Grid Slots. Slots with a grid format, often using cluster pays instead of paylines.

High Volatility. In slot machine terms, high volatility slots produce low payout frequency, but when players win, the average payout is higher than other slot types.

Hit Frequency. How often a slot machine is likely to produce a winning combination.

Hit. A winning spin on a slot machine.

Hold Percentage. The percentage of wagers that a slot machine keeps for the casino.

Hot Slots. Slots that appear to pay out frequently or have recently paid out.

Icons. Symbols on the slot reels, which can include fruits, numbers, letters, and thematic images.

Instant Winner. A jackpot paid out immediately after winning.

Jackpot King. A progressive jackpot system linking various slots to a single large prize.

Slot machines showing jackpot prizes on top of the reels. In slot machine terms, the jackpot is the highest payout a slot game can give.
Slot machines showing jackpot prizes on top of the reels. In slot machine terms, the jackpot is the highest payout a slot game can give.

Jackpot. In slot machine terms, it is the highest possible payout in a slot game.

Line. A payline along which winning combinations must appear.

Linked Progressive Jackpot. A shared jackpot prize among multiple machines, growing with each bet.

Loose Slot. A machine that appears to pay out more frequently than others.

Low Volatility. In slot machine terms, low volatility slots produce high payout frequency, but only rewards small prizes.

Maximum Bet: The highest wager allowed on a slot machine.

Medium Volatility. This is a type of slot where it balances risk and reward, offering inciting payouts together with frequent wins.

Megabucks. A famous slot game known for its large progressive jackpots.

Megaways. Slots with variable reel sizes, offering thousands of potential ways to win.

Multiplier. A feature that multiplies winnings by a specific factor.

N to S: Slot Machine Terms

Near Miss. A situation where the reels stop just short of a winning combination.

Nudge. A feature allowing players to move the reels slightly to form a winning combination.

One-Armed Bandit. A nickname for traditional slot machines with a lever on the side.

Online Slot. Digital versions of slot machines playable on the internet.

Payback Percentage. The theoretical percentage of wagers a slot machine returns to players over time.

Payline. A line across the reels where winning combinations must appear to win.Payout. The amount of money won from a winning combination.

One of the paytables for the online slot game Barber Shop Uncut. In slot machine terms, a paytable is a chart that shows the different payouts of each symbol. It may also contain payouts from bonus features.
One of the paytables for the online slot game Barber Shop Uncut.

Paytable. A chart showing the payouts for different symbol combinations and bonus features.

Penny Slots. In slot machine terms, penny slots allow bets as low as one penny per spin.

Pokies. The Australian term for slot machines.

Primary Jackpot. The main prize a slot machine offers.

Progressive Jackpot. A jackpot that increases as more players wager, often reaching large sums.

Random Number Generator (RNG). A computer program ensuring the random outcomes of slot spins.

Reel Modifiers. Special features that change how the reels behave during a spin.

Reels. Rotating columns on a slot machine displaying symbols.

Respins. A feature allowing players to spin the reels again without an additional bet.

Return to Player Rate (RTP). The theoretical percentage of total bets a slot returns to players over time.

Scatter Symbol. A symbol that can trigger bonus features or payouts regardless of its position on the reels.

Skill Bonus. A bonus feature involving some degree of player skill.

Skill Stop. Allows players to manually stop the spinning reels, adding an element of skill to the game.

Slingo. In slot machine terms, it combines slots and bingo, where players match numbers on a grid.

Slot Club. A loyalty program offering rewards to frequent slot players.

Slot Host. A casino employee who assists and serves slot players.

Slot Tournament. A competition where players compete to achieve the highest winnings on slots within a set time. Learn more about slot tournaments through our guide.

Sound of Rain. The noise of coins clinking into the tray when a slot pays out.

Spin. Activating the reels to start the slot game.

Stacked Symbols. In slot terms, they are identitcal symbols that appear in a group on the same reel.

Stacked Wilds. Another slot terminology for wild symbols that can cover entire reels.

Symbols. The images on the slot reels that determine winning combinations.

T to Z: Slot Machine Terms

Three-Liner. A classic slot machine with three reels and a single payline.

Tight Slots. Slots known for their lower frequency of payouts.

Total Bet. The amount wagered on each spin, including the number of paylines and the bet per line.

Trail. A feature allowing players to progress along a path or trail for additional prizes.

Tumbling Reels. Symbols fall into place, replacing winning combinations and creating new chances to win.

Variance. Describes the frequency and size of potential wins in a slot game. It is also commonly known as “volatility.”

Video Slots. Modern slots with intricate graphics, animations, and sound effects.

Virtual Reel. The computer program determining the position of symbols on the reels.

Volatility. The measure of risk associated with a slot machine’s payouts. The slot volatility can be categorized in three types: low, medium, or high.

Wager. In slot machine terms, it is the amount of money bet on each spin.

Wide Area Progressive (WAP). A progressive jackpot shared among multiple machines in different locations.

Wild Multiplier. A wild symbol that also multiplies winnings.

Wild Symbol. A symbol that can substitute for other symbols to create winning combinations.

Win-Both-Ways. Slots that award wins for paylines running both left-to-right and right-to-left.

Win. Achieving a winning combination on a slot machine.

Zig-Zag. Paylines that do not form classic straight lines but zig-zag across the reels.

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