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Introducing the new "range"
This glossary explains key coffee terms used across commercial coffee machines, coffee preparation, coffee beans, roasting and ingredients. It is designed as a practical resource for customers comparing equipment, drinks offers and coffee formats.
Whether you are choosing a commercial coffee machine, comparing bean-to-cup and traditional espresso systems, or looking for clearer coffee terminology, this page gives you a straightforward reference point.
Exploring machine options as well as the terminology? Browse our commercial coffee machines, compare bean-to-cup coffee machines, or view traditional espresso machines.
A machine that grinds whole beans and brews coffee automatically at the touch of a button. On many models, milk frothing is built into the same unit, making it a strong option for offices, hotels and self-service spaces.
A more hands-on machine that requires the operator to manage grinding, dosing, tamping and extraction. It offers more control and is often preferred where coffee quality and presentation are central.
A commercial espresso machine with multiple group heads, usually two to four, allowing several drinks to be prepared at once during busy service.
A machine that brews larger batches of black coffee by passing hot water through ground coffee in a filter basket. Common in offices, hotels and breakfast service.
A pod-based coffee machine designed for simplicity and consistency. It works well in low-volume settings, though cost-per-cup is typically higher than whole bean or ground coffee systems.
The part of an espresso machine through which pressurised hot water passes through the coffee puck. Temperature stability here is important for espresso quality.
The handled basket used in a traditional espresso machine to hold ground coffee before it is locked into the group head.
A grinder that crushes coffee beans between burrs to create a more uniform particle size, helping improve consistency and extraction.
The process of dissolving flavour compounds from coffee grounds using water. Extraction is influenced by temperature, grind size, dose, time and pressure.
The amount of dry coffee used for a drink, usually measured in grams.
The amount of liquid coffee produced from a given dose. In espresso, dose and yield are often discussed as a brew ratio.
The coarseness or fineness of the coffee grounds. This is one of the main variables affecting extraction speed and flavour.
Pressing ground coffee evenly in the portafilter before extraction. Inconsistent tamping can lead to uneven extraction.
A short, concentrated coffee brewed by forcing hot water through finely ground coffee under pressure.
Espresso diluted with hot water to create a longer black coffee.
Milk-based espresso drinks that differ mainly in milk quantity, foam texture and overall strength. The right machine setup influences how consistently these can be produced.
Coffee brewed with cold or room-temperature water over a long period, producing a smoother, lower-acidity concentrate.
The number of drinks a machine can produce in a given period, often per hour. This is key when matching a machine to site demand.
The busiest part of the day for coffee service. Machine choice should usually be based on peak demand rather than average use.
A measure of how intensively a machine can operate without overheating or dropping in performance.
Adjusting settings such as grind, dose, temperature, pressure and brew time to hit the target recipe and keep drinks consistent.
Removing limescale build-up from boilers, pipework and water systems. This is especially important in hard water areas.
An automated or manual cleaning process that removes coffee oils and milk residue from the machine.
Planned servicing carried out before faults occur, helping reduce downtime and extend machine life.
Connected technology that allows performance monitoring, usage data and fault diagnosis from a distance.
The most widely consumed coffee species, often associated with more complex and nuanced flavour.
A coffee species with higher caffeine content, stronger bitterness and more crema contribution than Arabica.
Coffee sourced from one defined place, such as a country, region, farm or cooperative, with flavour shaped by origin and processing.
A mix of coffees from different origins or roast levels, usually created to achieve a consistent flavour profile.
Coffee that scores highly on recognised quality standards and is typically associated with traceability, careful sourcing and more refined flavour.
Different coffee processing methods used after harvest, each affecting sweetness, clarity, body and fruit character in the final cup.
Roast levels that affect acidity, sweetness, body and roast character. Medium roast is often the most balanced and commercially versatile.
Different coffee formats suited to different brewing methods, equipment and levels of convenience.
Understanding the terminology is useful, but the best machine choice still depends on drinks demand, milk requirements, ease of use, workflow and the environment the machine is going into.
This page is a simplified online glossary based on Caffia’s wider internal glossary resource.
Give us a call on 01324 617618 or send us a message below and we’ll be in touch.
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