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Guide To Understanding Slot Machine Terminology

Do you know your Scatters from your spins, your coin sizes from your cascading reels, and your progressives from your payouts?

If not, you'll need a handy glossary like this, where we list some of the most popular slots terms you'll find at an online slot game.

3-Reel - Online slot with three reels. Typically, it will also have three rows of symbols and have a classic slots theme. Read more on 3 reel slots.

5-Reel - A typical video slot with five reels. 5-reel slots usually have three or four rows of icons. See our dedicated guide to 5 reel slots.

All Ways - An online slot that has hundreds of possible paylines, both running left-to-right and right-to-left.

Autospin - Feature allowing slots players to automatically set the game to spin reels.

AWP - Classic-style slots with fruit symbols. Stands for 'Amusement With Prizes'.

Bet - Total cash wagered on a spin.

Bonus Round - Special feature which offers free games or instant cash wins.

Branded Slots - Online slot based on famous movies or TV programmes. Usually come with big features and attractive graphics and gameplay.

Cascading Reels - Feature where winning combinations disappear from the reels to be replaced by the symbols above. The wins can keep accumulating on a single real-money spin. Also known as Tumbling Reels or Rolling Reels.

Classic - Vintage-style slot based on old-school slot machines. Usually features minimal paylines and no bonus features.

Coin Size - The size of the coin being wagered.

Coins - Cash used by players to make bets.

Drops - A new feature of online slots where symbols fall into place on the reels.

Feature - The biggest, or key, bonus round in a slot.

Freeplay / Free-to-play - Slots that can be played without risking any money. See our collection of free slots games here.

Free Spins - Free games triggered by a bonus round.

Fruit Machine - Classic-style slot machine popular in the UK. See fruit machines vs slot machines.

Gamble - Common feature which lets you try to double your winnings on a spin.

Icons - Slot symbols.

i-Slot - Immersive online slot which lets you save your position in a bonus round and return to the game later on.

Jackpot - Largest possible payout.

Lines - Paylines

Maximum Bet - Largest wager possible. Can be set automatically via the 'Max Bet' button.

Megabucks - Popular land-based slot by IGT which holds the world record for a progressive jackpot payout ($37 million).

Mega Fortune - Popular online slot from Net Entertainment which holds the online record for a progressive jackpot payout (€17 million).

Multi-line - Game with more than one payline.

Multi-way - An online slot betting system that can see hundreds or 1,000 paylines.

Nudge - Bonus normally found in UK fruit machines which lets you move reels up or down.

One-armed Bandit - Classic-style slot machine found in land-based casinos. The reels are spun by pulling down on a physical handle by the side of the machine.

Online Slot - A game played on a PC or Mac via the Internet.

Payline - A line of symbols that pays out a cash prize.

Payout - Cash awarded by the slot for a winning combination.

Paytable - Menu of game rules and payouts.

Penny Slots - Online slots for small-stakes players.

Pick Me - Bonus round where players have a choice of icons to pick to reveal hidden cash prizes.

Pokies - Australian term for online slots (pokie machines / poker machines). Read more here.

Progressive Jackpot - Prizepool comprising of cash made up from slots across a network. Progressive jackpots can be won by staking the highest amount, hit at random, or by triggering a specific bonus feature.

Random Number Generator (RNG) - Online program that governs the spin of the slot reels. RNGs are independently audited to make sure they are fair.

Reels - Vertical columns of symbols in a slot.

Rows - Horizontal lines of symbols.

RTP (Return to Player) - The payout made, over time, to the player by the online slot. An RTP of 96% pays out $96 for every $100 wagered.

Scatter icon - A symbol which pays out in combinations wherever it lands.

Skill Bonus - Bonus feature with skill game (e.g. target shooting)

Skill Stop - Allows the player to stop the reels manually.

Spin - Moving the reels during the game.

Stacked Symbols - The same symbol on top of each other, either covering most or all of a reel.

Stacked Wilds - Substituting Wild symbols that appear on top of one another.

Symbols - Icons.

Trail - Bonus feature where players progress round a track or ladder to gain more prizes.

Tumbling Reels - See Cascading Reels.

Video Slots - Online or land-based slots with graphics and animation on the reels. We have a dedicated guide on video slots.

Wild - Icon that substitutes other symbols to form winning combos.

Wild Multiplier - Added bonus win applied to Wilds.

Win - Landing a combination of prize-winning symbols.

Win-Both-Ways - A slot that awards prizes for paylines running left-to-right and right-to-left.

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