Skip to content

Terminology

This page is a quick translation reference between German and English terms commonly used in mechanical engineering, woodworking, and construction. It may help non-native speakers (like myself, an Austrian!) to connect terminology across both languages.

German English Context / Description
Achse shaft / axle Rotating or stationary rod
Ausfräsung pocket Milled recess in a part
Ausklinkung notch Cut-out in wood or metal
Aussparung recess / cutout Indentation or opening
Außengewinde external thread Thread on the outside of a shaft
Balken beam Horizontal load-bearing member
Basiskreis base circle Base circle for involute profile
Betonplatte concrete slab Flat massive concrete element
Bewehrung reinforcement Steel reinforcement in concrete
Bohle plank Thick flat wood board
Bohrung hole / bore Round opening
Brett board / plank Flat wood element
CAD CAD (Computer-Aided Design) Computer-based design work
Durchgangsloch through hole Hole that passes through entirely
Explosionsdarstellung exploded view Diagram showing parts spaced apart
Extrudieren extrude Create 3D shape from 2D profile
Falz rebate / rabbet Step or notch in wood
Fase chamfer Beveled edge treatment
Fußkreis dedendum circle Circle through gear tooth roots
Gewinde thread Helical ridge for fastening
Holzlatte lath Narrow wood strip, often vertical
Innengewinde internal thread Thread inside a hole
Kante abrunden round over / fillet Rounded edge treatment
Kegelrad bevel gear Teeth on a conical surface
Keilnut keyway Slot for a machine key
Kontur contour Outline of a shape
Kopfkreis addendum circle Circle through gear tooth tips
Lager bearing Component for guiding shafts
Leiste strip / batten Narrow wood strip
Maß dimension Measurement of size
Montage assembly Process of putting parts together
Mutter nut Mating part for a bolt/screw
Nut groove Linear recess or channel
Nut und Feder tongue and groove Interlocking board joint
Passfeder key (machine element) Fits in keyway for torque transfer
Pfosten post / column Vertical support element
Polygonzug polyline Connected sequence of lines
Profil profile Cross-section shape
Rahmen frame Structural framework
Rotationskörper revolve Shape created by rotating a profile
Sackloch blind hole Hole that does not go through
Schlitz slot Elongated opening
Schneckenrad worm gear Screw-and-wheel drive
Schraube screw General fastening element
Schwalbenschwanz dovetail joint Interlocking wood joint
Sechskantschraube hex bolt Screw with hexagonal head
Senkung countersink Conical recess for screw head
Spannvorrichtung clamp / fixture Device to hold workpiece
Steigung (Gewinde) pitch Distance between thread crests
Stirnrad spur gear Teeth parallel to axis
Stoß butt joint End-to-end joint
Stückliste bill of materials (BOM) List of all parts in a build
Stütze support / post / pillar Vertical load-bearing member
Sweeping sweep Extrusion along a path
Teilkreis pitch circle Reference circle for tooth spacing
Toleranz tolerance Allowable size deviation
Traverse crossbar Cross connection element
Träger girder Large primary beam
Unterlegscheibe washer Flat disk to distribute load
Vorrichtung jig / fixture Tool for guiding a work process
Werkstück workpiece The piece being worked on
Zahn tooth Single tooth of a gear
Zahnrad gear General toothed wheel
Zapfen pin / journal Axle stub or positioning pin
Zapfenverbindung mortise and tenon joint Classic wood joinery
Überblattung lap joint Overlapping joint