Updated April 2026
Blender and Food Processor Glossary
Every term you will encounter when researching blenders and food processors, defined clearly and linked to where the term matters most.
Auto-iQ
Ninja's proprietary pre-programmed blending cycle system. Auto-iQ programs run alternating pulse and blend sequences of a pre-determined duration (typically 45-90 seconds total). Each preset is calibrated for a specific task: smoothie, frozen drink, extract (personal cup). Auto-iQ removes the guesswork from blending duration and sequence. Found on Ninja Professional Plus and most mid-to-high Ninja blenders.
Dough blade
A plastic blunt-edged blade with a lower RPM profile than the S-blade, designed for bread and pizza dough mixing. The plastic construction and blunt edges fold and stretch the dough rather than cutting through it. Not all food processors include a dough blade -- check before purchase if baking is a priority. Used in the food processor bowl for 1-2 loaf batches. For larger batches, a stand mixer with a dough hook is more appropriate.
Feed tube
The opening on the food processor lid through which ingredients are added while the motor is running. Two sizes typically: a large feed tube (fits a whole potato or carrot standing upright) and a small feed tube insert within the larger tube (for slender items like celery or green onions). Always use the pusher tool to feed ingredients through the chute -- never fingers. The feed tube is also used to drizzle oil when emulsifying mayo or pesto.
Gasket
The rubber or silicone seal between the blender jar and the blade base, or between the food processor bowl and blade hub assembly. The gasket prevents liquid from leaking around the blade during blending. Over time, gaskets crack, deform, or lose their seal. Inspect every 3 months; replace immediately if cracked. Replacement gaskets cost $5-10 for most machines and are available from the manufacturer or Amazon. A leaking gasket that drips liquid into the motor base causes motor failure.
High-powered blender
An industry term (not a legal category) for blenders with enough motor power and torque to handle tasks that standard blenders cannot: nut butter, thick frozen smoothies, heat-from-friction soups, and extended continuous-run cycles. Generally defined as 1,500W or more with a heavy-duty motor. Models qualifying: Vitamix 5200 (1,380W / 2HP), Blendtec Classic 575 (1,725W / 3HP), Breville Super Q (1,800W), Ninja Professional Plus (1,400W -- borderline). Standard blenders (under 700W) cannot make nut butter and overheat on thick frozen blends.
Immersion blender
A handheld blending tool where the blade assembly is at the end of a wand that submerges into a pot or jug. Also called a stick blender or hand blender. The motor stays above the liquid; the blade submerges into whatever you are blending. Key advantage: blend soups, sauces, and purees directly in the cooking pot without transferring to a jar. Also excellent for mayo (jar method), single-serve smoothies, and baby food. Does not replace a full blender for batch frozen drinks or nut butter. Cost: $39-$99.
Mini chopper bowl
A secondary small (2-4 cup) food processor bowl that fits inside the main motor assembly. Used for small-quantity tasks: mincing garlic, chopping herbs, making small batches of dressing or pesto. Many food processors include one as a standard accessory; some require a separate purchase. For tasks involving under 2 cups of ingredients, the mini bowl requires less setup and less cleanup than the full-size bowl.
Personal blender
A single-serve blender where a narrow jar (typically 24-32 oz) inverts onto the motor base -- the blade screws onto the jar, which is then flipped upside down onto the motor. After blending, the jar detaches and becomes a drinking cup or storage container. Examples: NutriBullet Pro 900, Ninja Nutri, Magic Bullet. Not designed for full-batch blending, frozen drink pitchers, or nut butter. Excellent for daily protein shakes and morning smoothies with minimal cleanup.
Pitcher blender
A standard full-size blender with a jar (pitcher) that sits on the motor base. The blade assembly is fixed in the base of the jar. Pitcher blenders range from 32-90 oz capacity. The Vitamix 5200 uses a 64 oz pitcher; the Blendtec Classic 575 uses a 90 oz WildSide+ jar. The tall, narrow pitcher shape creates the vortex that is fundamental to how blenders work. As opposed to personal blenders (where the jar inverts) or immersion blenders (where the blade submerges).
Pulse
A short burst of motor power, typically 1-2 seconds per press. The pulse function is critical for food processor precision work: chopping vegetables without pureeing them, making chunky salsa without turning it into soup, stopping exactly at the desired texture. Pulse on a blender serves a different purpose: breaking down ice or fibrous ingredients before running at sustained speed. The number of pulses changes the outcome dramatically: 3 pulses for rough chop, 8 pulses for fine dice, 15+ pulses for puree.
RPM (Rotations Per Minute)
The speed at which the blade spins. Blenders operate at 15,000-30,000+ RPM; food processors at approximately 1,800-2,500 RPM. Higher RPM is not inherently better -- the appropriate speed depends on the task. Blender RPM creates the high-velocity vortex needed for smooth liquids. Food processor RPM is lower but paired with higher torque (rotational force), which is needed for cutting through solid food and making dough. Comparing RPM between a blender and food processor is meaningless; they operate in different regimes.
S-blade
The standard removable blade on food processors -- shaped like an S (or double-curved arc) when viewed from above. The S-blade is used for chopping, pureeing, emulsifying, mixing doughs (with the dough blade alternative), and most general food processor tasks. It sits on the blade shaft that extends from the bottom of the bowl. The S-blade must be removed before emptying bowl contents to prevent cuts -- hold the plastic centre hub, never the blade edges.
Shredding disc
A horizontal disc attachment that shreds food into long thin strips, similar to the large-hole side of a box grater. Used for shredded cheese, carrots, zucchini, cabbage, and other firm vegetables or soft cheeses. The disc sits above the blade shaft and food is pushed through from the feed tube above. Freeze semi-hard cheeses (cheddar, mozzarella) for 20-30 minutes before shredding for cleaner, more defined shreds.
Slicing disc
A horizontal disc attachment that slices food into uniform cross-sections (rounds, rings, or half-rounds depending on how you load the feed tube). Used for sliced potatoes, cucumbers, beets, mushrooms, and any vegetable requiring uniform thin or thick slices. Many models have adjustable-thickness slicing discs (KitchenAid ExactSlice lever; Breville Sous Chef 24-setting dial). Mandoline slicers produce similar results by hand.
Tamper
A plastic rod included with certain high-powered blenders (Vitamix, Blendtec WildSide+) that fits through the lid opening to push thick ingredients down into the blade while the motor is running. Without a tamper, thick mixtures (nut butter, frozen acai bowls, thick smoothies) form air pockets above the blade and the blender grinds without making contact with the food. The tamper allows continuous pressing without stopping the motor. The standard lid cap of the Vitamix is designed to accept the tamper in the opening.
Variable speed
A continuously adjustable motor speed control, typically a dial or slider, as opposed to preset buttons. Found on Vitamix 5200 (speeds 1-10), Blendtec Classic 575 (speeds 1-10 + cycle presets), and Breville Super Q. Variable speed allows the user to start on low (preventing splatter from hot liquids, gradually building a vortex) and increase to maximum. Budget blenders typically offer 2-3 preset speeds or a single on/off. Variable speed is the feature most closely correlated with versatility in high-powered blenders.
Watts
The electrical power draw of the motor, measured in watts (W) or horsepower (HP: 1 HP = approximately 746W). Watts is a useful comparison metric within the blender category (more watts generally = more capable motor) but not useful for cross-category comparison (a 1,400W blender and a 750W food processor are not comparable -- they use power differently). Note that wattage ratings sometimes reflect peak draw rather than continuous operating draw. Vitamix rates its 5200 at 1,380W actual continuous; some budget blenders claim higher peak wattage than their sustained output.