Mechanical Engineering
Shift your vocabulary into high gear by learning this list of terms related to mechanical engineering. Review types of energy, stress and tension, elasticity, simple machines, and more. Once you've mastered these words, you'll be firing on all cylinders!
Read more...
Assign
Start learning with an activity...
-
Practice
Answer a few questions on each word. Get one wrong? We'll ask some follow-up questions. Use it to prep for your next quiz!
-
Spelling Bee
Test your spelling acumen. See the definition, listen to the word, then try to spell it correctly.
-
Vocabulary Jam
Compete head-to-head in real-time to see which team can answer the most questions correctly.
Explore the Words
-
atmospheric pressurethe pressure exerted by the atmosphere
-
automationthe act of implementing the control of equipment
-
automatona mechanism that can move independently of external control
-
beltloop of flexible material between rotating shafts or pulleys
-
combustiona reaction of a substance with oxygen to give heat and light
-
compositeconsisting of separate interconnected parts
-
compressionan increase in the density of something
-
compressora mechanical device that compresses gasses
-
conductionthe transmission of heat or electricity or sound
-
convectiontransfer of heat caused by molecular motion in liquid or gas
-
cranka hand tool consisting of a rotating shaft with parallel handle
-
cylindera chamber within which a piston moves
-
deformationalteration in the shape or dimensions of an object as a result of the application of stress to it
-
dynamicsmechanics concerned with forces that cause motions of bodies
-
efficiencythe ratio of the output to the input of any system
-
elasticitythe tendency of a body to return to its original shape
-
elongationthe act of lengthening something
-
energythe capacity of a physical system to do work
-
enginemotor that converts energy into work or motion
-
entropyenergy in a system no longer available for mechanical work
-
factor of safetythe ratio of the breaking stress of a structure to the estimated maximum stress in ordinary use
-
fatiguea weakened state caused by long stress on a material
-
filterdevice that removes something from what passes through it
-
first law of thermodynamicsthe fundamental principle of physics that the total energy of an isolated system is constant despite internal changes
-
flow ratethe amount of fluid that flows in a given time
-
frictionthe resistance when a body is moved in contact with another
-
fuela substance that can be consumed to produce energy
-
fulcrumthe pivot about which a lever turns
-
geara toothed wheel that engages another toothed mechanism
-
grindermachinery that processes materials by grinding or crushing
-
heata form of energy transferred by a difference in temperature
-
hydraulicsstudy of the mechanics of fluids
-
inclined planea simple machine for elevating objects
-
inelasticnot able to resume shape after stretching or compression
-
internal combustionthe combustion of fuel inside a cylinder
-
joulea unit of electrical energy
-
kinetic energythe mechanical energy that a body has by virtue of motion
-
lathea machine tool for shaping a piece of rotating wood or metal
-
levera simple machine giving a mechanical advantage on a fulcrum
-
lubricatora substance capable of reducing friction by making surfaces smooth or slippery
-
machinea mechanical or electrical device that transmits energy
-
machinerymechanical or electrical devices collectively
-
manufacturingthe act of making something (a product) from raw materials
-
materialthe substance that goes into the makeup of a physical object
-
mechanical advantagethe ratio of the force exerted by a machine to the force applied to it
-
mechanical engineeringthe branch of engineering that deals with the design and construction and operation of machinery
-
mechanismdevice consisting of a piece of machinery
-
milling machinemachine tool in which metal that is secured to a carriage is fed against rotating cutters that shape it
-
modulus of elasticity(physics) the ratio of the applied stress to the change in shape of an elastic body
-
momenta turning force produced by an object acting at a distance
-
momentumthe product of a body's mass and its velocity
-
motionthe act of changing location from one place to another
-
nanotechnologyengineering that involves manipulating atoms and molecules
-
pistonmechanical device that has a plunging or thrusting motion
-
pneumaticsthe branch of mechanics that deals with the mechanical properties of gases
-
potential energymechanical energy that a body has by virtue of its position
-
power(physics) the rate of doing work
-
pressurethe exertion of force to a surface
-
projectileimpelling or impelled forward
-
pulleya wheel with a groove in which a rope can run
-
pumpa device that moves fluid or gas by pressure or suction
-
quality controlmaintenance of standards of quality of manufactured goods
-
radiationenergy transmitted in the form of rays or waves or particles
-
raw materialmaterial suitable for manufacture or use or finishing
-
reliabilitythe quality of being dependable
-
reservoirtank used for collecting and storing a liquid
-
resilienceability of a material to return to its original shape
-
screwa simple machine of the inclined-plane type consisting of a spirally threaded cylindrical rod that engages with a similarly threaded hole
-
second law of thermodynamicsa law stating that mechanical work can be derived from a body only when that body interacts with another at a lower temperature; any spontaneous process results in an increase of entropy
-
simple machinea device for overcoming resistance at one point by applying force at some other point
-
speeda rate at which something happens
-
sprockettooth on the rim of gear wheel
-
staticsthe branch of mechanics concerned with forces in equilibrium
-
straindeformation of a body under the action of applied forces
-
stress(physics) force that produces strain on a physical body
-
syntheticnot of natural origin; prepared or made artificially
-
tensile strengththe strength of material expressed as the greatest longitudinal stress it can bear without tearing apart
-
tensiona stress that produces an elongation of a physical body
-
thermodynamicsphysics concerned with heat and other forms of energy
-
torquea twisting force
-
toughnessthe elasticity and hardness of a metal object
-
transmission linea conductor for transmitting electrical or optical signals or electric power
-
valvea mechanical device for controlling the flow of a fluid
-
variancethe quality of being subject to change
-
velocitydistance traveled per unit time in one direction
-
viscosityresistance of a liquid to flowing
-
volumethe amount of 3-dimensional space occupied by an object
-
wedgesomething solid that can be pushed between two things
-
wheel and axlehoist so arranged that a rope unwinding from a wheel is wound onto a cylindrical drum or shaft coaxial with the wheel
-
worka manifestation of energy
-
zeroth law of thermodynamicsthe law that if two bodies are in thermal equilibrium with a third body then the first two bodies are in thermal equilibrium with each other
Created on March 1, 2017
(updated April 7, 2017)
(updated April 7, 2017)