Subject dictionary

Engineering

Design, structures, systems, materials, manufacturing and applied problem-solving.

Core vocabulary

120 featured terms

The database can contain more terms than shown here; this page prioritises the strongest mappings.

Amplificationnoun

(electronics) the act of increasing voltage or power or current

Basenoun

(electronics) the part of a transistor that separates the emitter from the collector

Characteristic curvenoun

(electronics) graph showing how a particular characteristic of a device varies with other parameters

Characteristic functionnoun

(electronics) graph showing how a particular characteristic of a device varies with other parameters

Clippernoun

(electronics) a nonlinear electronic circuit whose output is limited in amplitude; used to limit the instantaneous amplitude of a waveform (to c…

Contactnoun

(electronics) a junction where things (as two electrical conductors) touch or are in physical contact; "they forget to solder the contacts"

Demodulationnoun

(electronics) the reception of a signal by extracting it from the carrier wave

Electronic networknoun

(electronics) a system of interconnected electronic components or circuits

Faultnoun

(electronics) equipment failure attributable to some defect in a circuit (loose connection or insulation failure or short circuit etc.); "it too…

Flood controlnoun

(engineering) the art or technique of trying to control rivers with dams etc. in order to minimize the occurrence of floods

Frequency responsenoun

(electronics) a curve representing the output-to-input ratio of a transducer as a function of frequency

Frequency-response characteristicnoun

(electronics) a graph of frequency response with signal amplitude or gain plotted against frequency

Frequency-response curvenoun

(electronics) a graph of frequency response with signal amplitude or gain plotted against frequency

Growingnoun

(electronics) the production of (semiconductor) crystals by slow crystallization from the molten state

Impulsenoun

(electronics) a sharp transient wave in the normal electrical state (or a series of such transients); "the pulsations seemed to be coming from a…

Limiternoun

(electronics) a nonlinear electronic circuit whose output is limited in amplitude; used to limit the instantaneous amplitude of a waveform (to c…

Modulationnoun

(electronics) the transmission of a signal by using it to vary a carrier wave; changing the carrier's amplitude or frequency or phase

Networknoun

(electronics) a system of interconnected electronic components or circuits

Pulsationnoun

(electronics) a sharp transient wave in the normal electrical state (or a series of such transients); "the pulsations seemed to be coming from a…

Pulsenoun

(electronics) a sharp transient wave in the normal electrical state (or a series of such transients); "the pulsations seemed to be coming from a…

Pulsingnoun

(electronics) a sharp transient wave in the normal electrical state (or a series of such transients); "the pulsations seemed to be coming from a…

Redundancynoun

(electronics) a system design that duplicates components to provide alternatives in case one component fails

Repeaternoun

(electronics) electronic device that amplifies a signal before transmitting it again; "repeaters can be used in computer networks to extend cabl…

Ripplenoun

(electronics) an oscillation of small amplitude imposed on top of a steady value

Seriesnoun

(electronics) connection of components in such a manner that current flows first through one and then through the other; "the voltage divider co…

Stressnoun

(physics) force that produces strain on a physical body; "the intensity of stress is expressed in units of force divided by units of area"

Tangencynoun

(electronics) a junction where things (as two electrical conductors) touch or are in physical contact; "they forget to solder the contacts"

Time constantnoun

(electronics) the time required for the current or voltage in a circuit to rise or fall exponentially through approximately 63 per cent of its a…

Amplifiernoun

electronic equipment that increases strength of signals passing through it

control systemnoun

a system for controlling the operation of another system

Ductilenessnoun

the malleability of something that can be drawn into threads or wires or hammered into thin sheets

Ductilitynoun

the malleability of something that can be drawn into threads or wires or hammered into thin sheets

Electric resistancenoun

a material's opposition to the flow of electric current; measured in ohms

Electrical resistancenoun

a material's opposition to the flow of electric current; measured in ohms

Fabricationnoun

the act of making something (a product) from raw materials; "the synthesis and fabrication of single crystals"; "an improvement in the manufactu…

factor of safetynoun

the ratio of the breaking stress of a structure to the estimated maximum stress in ordinary use

Fluid mechanicsnoun

study of the mechanics of fluids

Hydraulicsnoun

study of the mechanics of fluids

impedancenoun

a material's opposition to the flow of electric current; measured in ohms

Manufacturenoun

the act of making something (a product) from raw materials; "the synthesis and fabrication of single crystals"; "an improvement in the manufactu…

Manufacturingnoun

the act of making something (a product) from raw materials; "the synthesis and fabrication of single crystals"; "an improvement in the manufactu…

Ohmic resistancenoun

a material's opposition to the flow of electric current; measured in ohms

Polymernoun

a naturally occurring or synthetic compound consisting of large molecules made up of a linked series of repeated simple monomers

Resistancenoun

a material's opposition to the flow of electric current; measured in ohms

Resistivitynoun

a material's opposition to the flow of electric current; measured in ohms

Safety factornoun

the ratio of the breaking stress of a structure to the estimated maximum stress in ordinary use

Trade-offnoun

an exchange that occurs as a compromise; "I faced a tradeoff between eating and buying my medicine"

Tradeoffnoun

an exchange that occurs as a compromise; "I faced a tradeoff between eating and buying my medicine"

Compressionnoun

A force that squeezes or shortens a material.

Efficiencynoun

How much useful result is produced from the resources used.

Fatiguenoun

Damage that develops when a material is loaded again and again.

Loadnoun

The force or demand that a structure or system must carry.

Prototypenoun

A first version used to test and improve an idea.

Redundancynoun

An extra backup built into a system so it can keep working after a failure.

Resonancenoun

Strong vibration caused when forcing matches a system's natural rhythm.

Strainnoun

How much a material changes shape compared with its original size.

Stressnoun

The force carried inside a material over a given area.

Tensile strengthnoun

How much pulling force a material can take before it breaks.

Tolerancenoun

The acceptable range around a required measurement.

Torquenoun

The twisting effect of a force.

Basenoun

lowest support of a structure; "it was built on a base of solid rock"; "he stood at the foot of the tower"

Beamnoun

long thick piece of wood or metal or concrete, etc., used in construction

Bearingadjective

(of a structural member) withstanding a weight or strain

Bridgenoun

a structure that allows people or vehicles to cross an obstacle such as a river or canal or railway etc.

Ceramicnoun

an artifact made of hard brittle material produced from nonmetallic minerals by firing at high temperatures

Circuitnoun

an electrical device that provides a path for electrical current to flow

Constructionnoun

a thing constructed; a complex entity constructed of many parts; "the structure consisted of a series of arches"; "she wore her hair in an amazi…

Crystal rectifiernoun

a semiconductor that consists of a p-n junction

Currentnoun

a flow of electricity through a conductor; "the current was measured in amperes"

Diodenoun

a semiconductor that consists of a p-n junction

Electric circuitnoun

an electrical device that provides a path for electrical current to flow

Electric currentnoun

a flow of electricity through a conductor; "the current was measured in amperes"

Electrical circuitnoun

an electrical device that provides a path for electrical current to flow

Electrical energynoun

energy made available by the flow of electric charge through a conductor; "they built a car that runs on electricity"; "The power went out aroun…

Electricitynoun

energy made available by the flow of electric charge through a conductor; "they built a car that runs on electricity"; "The power went out aroun…

Fatiguenoun

used of materials (especially metals) in a weakened state caused by long stress; "metal fatigue"

Footnoun

lowest support of a structure; "it was built on a base of solid rock"; "he stood at the foot of the tower"

Foundationnoun

lowest support of a structure; "it was built on a base of solid rock"; "he stood at the foot of the tower"

Fundamentnoun

lowest support of a structure; "it was built on a base of solid rock"; "he stood at the foot of the tower"

Groundworknoun

lowest support of a structure; "it was built on a base of solid rock"; "he stood at the foot of the tower"

Hardnessnoun

the property of being rigid and resistant to pressure; not easily scratched; measured on Mohs scale

Inductancenoun

an electrical phenomenon whereby an electromotive force (EMF) is generated in a closed circuit by a change in the flow of current

Inductionnoun

an electrical phenomenon whereby an electromotive force (EMF) is generated in a closed circuit by a change in the flow of current

Junction rectifiernoun

a semiconductor that consists of a p-n junction

Loadverb

put (something) on a structure or conveyance; "load the bags onto the trucks"

Machinenoun

any mechanical or electrical device that transmits or modifies energy to perform or assist in the performance of human tasks

Mechanicsnoun

the technical aspects of doing something; "a mechanism of social control"; "mechanisms of communication"; "the mechanics of prose style"

Mechanismnoun

the technical aspects of doing something; "a mechanism of social control"; "mechanisms of communication"; "the mechanics of prose style"

Powernoun

energy made available by the flow of electric charge through a conductor; "they built a car that runs on electricity"; "The power went out aroun…

Semiconducting materialnoun

a substance as germanium or silicon whose electrical conductivity is intermediate between that of a metal and an insulator; its conductivity inc…

Semiconductornoun

a substance as germanium or silicon whose electrical conductivity is intermediate between that of a metal and an insulator; its conductivity inc…

Semiconductor diodenoun

a semiconductor that consists of a p-n junction

Signalnoun

an electric quantity (voltage or current or field strength) whose modulation represents coded information about the source from which it comes

Spannoun

a structure that allows people or vehicles to cross an obstacle such as a river or canal or railway etc.

Specnoun

a detailed description of design criteria for a piece of work

Specificationnoun

a detailed description of design criteria for a piece of work

Steelnoun

an alloy of iron with small amounts of carbon; widely used in construction; mechanical properties can be varied over a wide range

Strainnoun

difficulty that causes worry or emotional tension; "she endured the stresses and strains of life"; "he presided over the economy during the peri…

Strengthnoun

the property of being physically or mentally strong; "fatigue sapped his strength"

Stressnoun

difficulty that causes worry or emotional tension; "she endured the stresses and strains of life"; "he presided over the economy during the peri…

Structurenoun

a thing constructed; a complex entity constructed of many parts; "the structure consisted of a series of arches"; "she wore her hair in an amazi…

Substructurenoun

lowest support of a structure; "it was built on a base of solid rock"; "he stood at the foot of the tower"

Understructurenoun

lowest support of a structure; "it was built on a base of solid rock"; "he stood at the foot of the tower"

Actuatornoun

A component that makes a machine move or act.

Bucklingnoun

When a structure bends or collapses sideways under pressure.

control systemnoun

A system that monitors and adjusts how a machine or process behaves.

design tolerancenoun

The acceptable amount by which a manufactured part may differ from its target.

Ductilitynoun

The ability of a material to stretch or bend without breaking.

factor of safetynoun

A margin added so a design can withstand more than its expected load.

feedback loopnoun

A cycle where results are used to adjust what happens next.

finite element analysisnoun

A computer method for predicting how a structure responds to forces or heat.

fluid dynamicsnoun

The study of how liquids and gases move.

Hardnessnoun

How strongly a material resists being scratched or dented.

heat transfernoun

The way heat moves from one place or object to another.

load-bearingadjective

Able to carry weight as part of a structure.

reliability engineeringnoun

Engineering focused on preventing failures and maintaining dependable performance.

Sensornoun

A device that measures a condition such as temperature, pressure or motion.

shear stressnoun

Force per area that pushes adjacent parts of a material sideways.

systems integrationnoun

Joining separate parts so they work together as one system.

Validationnoun

Checking that the right thing was built for the real need.