microhybrid
nounAutomotive
A motor vehicle whose internal combustion engine is automatically shut down and restarted to reduce time spent idling and thereby reduce fuel consumption and emissions.
Entries starting with M
245 entries.
microkatal
An SI unit of catalytic activity equal to 10⁻⁶ katals. Symbol: μ
microkelvin
An SI unit of thermodynamic temperature equal to 10⁻⁶ kelvins. Symbol: μK
micromole
An SI unit of amount of substance equal to 10⁻⁶ moles. Symbol: μmol
microphonics
The phenomenon where certain components in electronic devices transform mechanical vibrations into an unwanted electrical signal.
microsecond
An SI unit of time equal to 10⁻⁶ seconds. Symbol: μs
microsegregation
nounMetallurgy
segregation within microscopic grains
microstructure
nounMetallurgy
Fine-scale structure.
microtesla
An SI unit of magnetic flux density equal to 10⁻⁶ teslas. Symbol: μT
middle mile
The segment of a telecommunications network linking an operator's core network to the local network plant.
MIL
nounAutomotive
Initialism of malfunction indicator lamp.
mile marker
A numbered milepost or sign along a highway, or some other road, used to determine the location of a motor vehicle.
milkshake
Accidental emulsion of oil and water in an engine.
mill
A passage underground through which ore is shot.
mill bar
nounMetalworking
A rough bar rolled or drawn directly from a bloom or puddle bar for conversion into merchant iron in the mill.
mill car
A car that operates on rails laid in a mill or factory, usually for carrying bulk materials and waste.
Miller effect
The increase in the equivalent input capacitance of an inverting voltage amplifier due to amplification of the effect of capacitance between the amplifier's input and output terminals.
milliarcsecond
A unit of angle equal to one thousandth of an arcsecond (used especially in astronomy)
milligram
An SI unit of mass equal to 10⁻³ grams. Symbol: mg
millikatal
An SI unit of catalytic activity equal to 10⁻³ katals. Symbol: m
milling
nounMachining
Any of various grinding, cutting, or shredding processes using any of various types of mill.
milling cutter
A rotary cutting tool typically used in milling machines.
milling machine
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.
milliohmmeter
An ohmmeter for measuring low resistances.
millisecond
An SI unit of time equal to 10⁻³ seconds. Symbol: ms
Milwaukee Road
The former Chicago, Milwaukee, St. Paul and Pacific Railroad.
mine car
A car that operates on rails laid in a mine, usually for carrying ore, coal, or waste.
miner's moss
Carpeting in sluice boxes used to collect heavy minerals from sluiced paydirt.
mineral right
The right to exploit the mineral resources located on or, especially, beneath a parcel of land.
mineral wagon
nounRail equipment
An open goods wagon with relatively high sides for the transport of minerals such as coal or iron ore.
mini-shinkansen
nounRail equipment
A conventional Japanese rail line which has been upgraded to allow use by shinkansen; generally to allow the continuation of shinkansen services beyond the end of a purpose-built, high-speed line.
minigrid
A component consisting of conductive horizontal and vertical filaments woven together.
mirrorwork
A type of embroidery which attaches small pieces of reflective metal to fabric.
misclock
An error in the synchronization or coordination of the sequence or timing of actions by a device.
misclose
nounSurveying
The discrepancy between the starting point the endpoint of the shape reconstructed from the measured dimensions and bearings of a boundary.
misclosure
nounSurveying
The situation where the last in a series of linked traverse lines fails to join up exactly with the first.
mispick
nounManufacturing
A defect in woven fabric in which a yarn across the warp is in the wrong place.
mispin
nounManufacturing
An instance of mispinning.
misrun
A failed test of oil or gas drilling equipment.
miter square
nounWoodworking
A hand tool used in woodworking and metalworking for marking and checking angles other than 90°.
mixed case
The use of both uppercase (capital) and lowercase (small) letters within a text.
mixed gauge
A description of a railway track with (usually) three rails, which enables trains of two different track gauges to run over it.
mixed train
nounRail equipment
A train consisting of both passenger coaches and freight vehicles.
mixer
A nonlinear electrical circuit that creates new frequencies from two signals applied to it.
ml
Symbol for millilitre, an SI unit of fluid measure equal to 10⁻³ litres.
MLS
nounAutomotive
Initialism of multilayer steel, a type of head gasket with steel laminations.
MM
Initialism of moving magnet, a type of phono cartridge.
MMA
Initialism of microelectronic modular assembly.
MMC
Initialism of MultiMediaCard (also rendered multimedia card), a MultiMediaCard storage device.
MMF
Initialism of multimode fibre; a type of an optical fibre which is designed to carry a variety rays of light.
MMT
nounAutomotive
Abbreviation of methylcyclopentadienyl manganese tricarbonyl: an octane number boosting additive to unleaded gasoline to replace TEL as an anti-knock component.
mobile data
Internet data transfer over a cellular telephone network rather than Wi-Fi.
mobile station
All the user equipment (mobile phone, SIM card etc) and software needed for communication with a GSM network.
mobile virtual network operator
A provider of mobile telecommunications who does not operate any physical network infrastructure, but relies on contracting with physical mobile telecom network infrastructure operators to provide mobility access.
mock turtleneck
A neck collar for a knit garment that is shorter and typically not as loose as a regular turtleneck.
MOCVD
nounManufacturing
Initialism of metalorganic chemical vapour deposition.
mode
nounManufacturing
In lace-making, a small decorative piece inserted into a pattern.
model number
nounManufacturing
A manufacturer's identifier for a particular type or version of a product.
model-based design
A mathematical and visual method of addressing problems associated with designing complex control, signal processing and communication systems.
modified bitumen
nounConstruction
composite sheets consisting of a polymer modified bitumen often reinforced with various types of mats or films and sometimes surfaced with films, foils or mineral granules.