This page gathers the 250 dictionary entries belonging to the domain “Mechanical engineering”, as labelled by Wiktionary. Each word leads to its full entry: definitions, etymology, pronunciation, examples. Page 2 of 3: from “gland” to “shaper”.
- gland noun A compressable cylindrical case and its contents around a shaft where it passes through a barrier, intended to prevent the passage of a…
- gorge noun The groove of a pulley.
- grinding machine noun A machine tool in which a rotating grinding wheel is moved against the workpiece (or vice versa) in order to cut the latter to a desired…
- gusset noun A kind of bracket, or angular part, fastened in the angles of a structure to give strength or stiffness; especially, the part joining the…
- handbrake noun A brake in a vehicle, set by hand, and usually locking on until released by hand, enabling its use when parked.
- handwheel noun Any wheel worked by hand, whether used to allow leverage, as of a valve or a handbrake, or to allow fine adjustment, as of a set screw.
- head noun A milling head, a part of a milling machine that houses the spindle.
- head gasket noun The gasket which seals a cylinder head to an engine block in several types of engine, including steam engines and internal combustion…
- heavy machinery noun Industrial machinery specially designed to execute construction tasks, most frequently involving earthwork operations.
- high time adj Having been in use for a (relatively) long time or a large number of operating cycles; nearing retirement or replacement age.
- hog verb To take a rough cut, quickly removing material; to hog out.
- hogging adj relating to hogging
- humaniform noun A robot resembling a human.
- hunting cog noun A tooth in the larger of a pair gear wheels, which makes its number of teeth prime to the number in the smaller wheel, thus preventing the…
- hydrostatic lock noun A condition that arises when a device which compresses gases seizes up because of the infiltration of liquid, which prevents further…
- IAD noun intelligent assist device
- idle noun The lowest selectable thrust or power setting of an engine.
- ignition noun A system for activating combustion in a combustion engine.
- impulsive adj Of a force, acting momentarily, or by impulse; not continuous.
- inclined plane noun One of the simple machines; a sloping surface such as a ramp such that an object can be raised with less effort than being lifted…
- index verb To use a mechanism to move an object to a precise location.
- indifferent adj Being in the state of neutral equilibrium.
- induction noun The delivery of air to the cylinders of an internal combustion piston engine.
- induction motor noun An alternating current motor in which currents in the secondary wiring of the rotor are created by induction from the magnetic field of the…
- inlead verb To lead into; conduct.
- interphase noun An indistinct region in the interface between two substances in composite materials.
- jack nut noun A type of nut with a sheet metal body that mushrooms outward, on the far side of the hole through the substrate, when the screw is screwed…
- journal noun the part of a rotating shaft or axle that rests on the bearing
- keyed adj Having a key, mated to a keyseat and/or keyway, to either control or prevent movement.
- keyway noun The recessed part of a keyed joint, in which the key resides.
- kidnapped robot problem noun The situation where an autonomous robot is carried somewhere and as a result has trouble determining its own location.
- kinetics noun The branch of mechanics concerned with motion of objects, as well as the reason i.e. the forces acting on such bodies. This, along with…
- knife-edge noun A small piece of metal, usually steel, sharpened to an acute edge or angle, and resting on a smooth surface, serving as the fulcrum of a…
- Lagrangian adj Relating to Lagrangian mechanics.
- lash noun Looseness between fitted parts, either intentional (as allowance) or unintentional (from error or wear).
- lever noun A rigid piece which is capable of turning about one point, or axis (fulcrum), and in which are two or more other points where forces are…
- limited-slip differential noun A type of differential that allows its output shafts to rotate at different speeds but can limit the maximum difference in angular velocity…
- lock up verb To stop moving; to seize.
- lockup noun A condition in which one or more of a vehicle's wheels suddenly cease to rotate due to the application of excessive brake torque, causing…
- low-powered adj Possessing little power or capacity.
- luff verb To alter the vertical angle of the jib of a crane so as to bring it level with the load.
- machine tool noun A tool, typically a power-driven machine and typically stationary, used especially for machining (removing hard material via cutting…
- Maltese cross noun Synonym of Geneva wheel.
- manifold noun A pipe fitting or similar device that connects multiple inputs and outputs.
- mass distribution noun The spatial distribution of mass within a solid body.
- mechanical advantage noun The ratio of the output force produced by a machine (especially a simple machine) to the applied input force.
- milkshake noun Accidental emulsion of oil and water in an engine.
- milling noun A type of machining in which a rotary cutter is moved through a toolpath to cut away material.
- milling machine noun A machine tool in which a rotating cutter is moved against the workpiece (or vice versa) in order to cut the latter to a desired shape.
- moment noun Ellipsis of moment of force.
- momentless adj Without a moment, or turning force.
- motion noun A piece of moving mechanism, such as on a steam locomotive.
- mushroom head noun Of a mechanical device, any component which resembles the cap of a mushroom.
- nanobot noun A very small autonomous robot, typically the size of a biological cell, designed to work alone or in very large numbers to achieve some…
- Newtonian mechanics noun Early classical mechanics as propounded by Isaac Newton, especially that based on his laws of motion and theory of gravity.
- normal mode noun A mode of an oscillating system in which all parts of the system move sinusoidally with the same frequency and with a fixed phase relation.…
- null adj Neutral.
- odontometer noun An odontograph.
- ol noun open line (open circuit, no continuity).
- open differential noun A type of differential gear used in automobile construction, allowing for output shafts to have different angular velocity, while…
- overdrive noun A gear ratio higher than 1:1: one in which a single revolution of the driving element corresponds to more than one revolution of the driven…
- overshift verb To overshoot when changing gears.
- overspeed verb To operate an engine or machine too fast.
- parallelogram of forces noun A parallelogram, two adjacent sides of which are vectors having the same initial point and representing two forces acting simultaneously…
- pedestal noun A pillow block; a low housing.
- pedipulator noun A component mechanism which gives a robot the capability of walking; a robot having such a capability.
- pendulum noun A body suspended from a fixed support so that it swings freely back and forth under the influence of gravity, commonly used to regulate…
- persuader noun A hammer; any tool used improvisationally to strike a recalcitrant object.
- pinion noun The smallest gear in a gear train.
- piston noun A solid disk or cylinder that fits inside a hollow cylinder, and moves under pressure (as in an engine) or displaces fluid (as in a pump)
- planer noun A large machine tool in which the workpiece is traversed linearly (by means of a reciprocating bed) beneath a single-point cutting tool.…
- polygon of forces noun A polygonal figure the sides of which are vectors representing several forces acting simultaneously upon one point, so that the vector…
- polyspast noun A windlass with many pulleys and truckles
- poppet valve noun A valve (as in an internal combustion engine) which consists of a sliding shaft with a disk on the end (the disk being shaped to…
- postmechanical adj Occurring after a mechanical process has completed.
- power noun A measure of the effectiveness that a force producing a physical effect has over time. If linear, the quotient of: (force multiplied by the…
- press verb To activate a button or key by exerting a downward or forward force on it, and then releasing it.
- pushrod noun A rod in a piston engine that actuates rocker arms above the cylinder head.
- quill noun A quill drive, having a hollow shaft with another movable shaft inside it.
- race rotation noun The rotation of the inner and outer parts of a bearing race.
- rack noun A bar with teeth on its face or edge, to work with those of a gearwheel, pinion, or worm, which is to drive or be driven by it.
- radiator noun A device that lowers engine coolant temperature by conducting heat to the air, through metal fins.
- rebat verb To perform a rebatment; to rotate one orthographic view into the plane of another orthographic view along the line of intersection between…
- reduction drive noun A device which reduces the input rotational speed to a lower output speed, and can also increase torque.
- retainer noun A retaining valve.
- retaining valve noun A device that retains some air pressure in a train's air brake cylinders even when the automatic brake valve is set to the fully-released…
- retarder noun A device for slowing down large trucks, lorries, buses, shunted railway wagons.
- reverse gear noun A gear (setting) in a vehicle's transmission which, when selected, makes the vehicle move backward. (Denoted with symbol R on a shifter's…
- rocker arm noun A valvetrain component that typically transfers the motion of a pushrod in an overhead valve internal combustion engine to the…
- rodding noun A system of rods etc. used for movement.
- run in adj (sometimes comparable) Having been run in to seat the parts.
- run on noun The period when a power saw or other tool continues to run after being powered off.
- runout noun Deviation of the axis of rotation of a rotating object (especially a milling cutter or workpiece) relative to that object's centerline; the…
- safety noun A safety lock or safety catch: a mechanism on a weapon or dangerous equipment designed to prevent accidental firing or operation.
- screw theory noun The algebraic calculation of pairs of vectors, such as linear and angular velocity, that arise in the kinematics of rigid bodies.
- seating noun Collectively, the various fitted supports of the parts of a structure or of a machine; a housing in which a component is seated.
- self-clamp adj Of a clamp or other mechanism, that tightens or secures itself automatically, often without needing separate adjustment.
- semi-trailing adj Having a movement that pivots on an access which is at an angle between longitudinal and transverse.
- shaft horsepower noun In an engine, the power measured in horse power delivered to a rotating shaft, which could be in a turbine, or transmission.
- shaper noun A machine tool in which a single-point cutting tool mounted on a reciprocating ram is traversed across the workpiece linearly. Shapers can…