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Thursday 24 April 2014 • 18:26 GMT • Last update 16:46

Jargonbuster: the full list of entries

The Cartechnical Jargonbuster defines and explains hundreds of technical terms and automotive abbreviations. We're adding more all the time – so if you're looking for a definition which isn't listed here, or you have a definition you'd like to share, let us know.

0-9 abbreviations

Independent suspension

1-box, One box

Induction stroke

107 per cent rule

Induction system

2+2

Infinitely variable transmission (IVT)

2-box, Two box

Infotainment

3-box, Three box

Instrument panel (IP)

4x4

Intake charge

A abbreviations

Inter

A-pillar

Intercooler

A-segment

Interference engine

ABS

Isofix

Accelerator pump

J-gate

Advance

K abbreviations

Aerofoil

Kick down

Air conditioning (AC)

Kilowatt (kW)

Airdam

kilowatt hour (kWh)

Airfoil

Kinetic Energy Recovery System (KERS)

Alternator

King lead

Ampere (A)

King pin inclination (KPI)

Anechoic chamber

Knock

Angle of attack

L abbreviations

Anti-lag

Lambda

Anti-roll bar (ARB)

Leading shoe

Anti-slip regulation (ASR)

Lift

Anti-stall

Limited slip differential (LSD)

Apex

Lineartronic (Subaru)

Aquaplaning

Lock

Armco

Lock-up clutch

Aspect ratio

Locked differential

Atkinson cycle

Loose

Automated manual transmission

M abbreviations

B abbreviations

Main bearing

B-pillar

Marbles

B-segment

Micro hybrid

Battery

Mild hybrid

Baulk ring

Mileage

Bead

Miller cycle

Bias belted tyre

Monocoque

Big end bearing

Mule

Birmabright

Multi-valve cylinder head

Body in white

Muttering rotter

Bodyshell

N abbreviations

Bore

Nearside

Bottom dead centre (BDC)

Negative lift

Boxer

Noise, vibration and harshness (NVH)

Brake assist (BA)

Normally aspirated

Brake fade

Notchback

Bucket tappet

NOx

Bump

O abbreviations

Bump steer

Octane rating

Bush

Offset

C abbreviations

Offside

C-pillar

Oil cooler

C-segment

Oilstat

Cam follower

Opposite lock

Cam lobe

Option tyre

Cam profile

Original equipment manufacturer (OEM)

Camber angle

Overboost

Camless valvetrain

Overdrive

Camshaft

Overhead camshaft (OHC)

Capacity

Overhead valve (OHV)

Carburettor

Overrun

Cardan shaft

Oversquare

Caster angle

Oversteer

Centre point steering

P abbreviations

Chargecooler

Panhard rod

Chassis

Panoramic roof

Chassis dynamometer

Parallel hybrid

Chicane

Parc ferme

Choke/choke flap

Petrolhead

Clocks

Phosphor bronze

Coach doors

Pinking (pinging)

Coilover

Piston slap

Combustion chamber

Pit box

Common rail injection

Pitch

Complete combustion

Plenum chamber

Completely knocked down (CKD)

Plug-in hybrid electric vehicle (PHEV)

Compression ratio

Port

Compression stroke

Power density

Concept car

Power stroke

Constant velocity joint (CV joint)

Power to weight ratio

Contact patch

Powertrain

Continuously variable transmission (CVT)

Pre-ignition

Controlled Auto Ignition (CAI)

Predictive Emergency Braking (PEB)

Cotal gearbox

Prime tyre

Counter steering

Propellor shaft

Coupé

Pushrods

Coupe cabriolet

Quarterlight

Crankshaft

R abbreviations

Crossover

Rack and pinion

Cuneiform

Radial

Cut slick

Radial tyre

Cylinder block

Radial-ply

D abbreviations

Recuperation

D-pillar

Regenerative braking

Damper

Retard

Day-light opening (DLO)

RevoKnuckle

Decal

Rocker

Desmodromic valvegear

Rocker panel

Detonation

Roll

DiesOtto

Rollcage

Differential

Rolling chassis

Diffuser

Rumble strip

Direct injection (DI)

Running gear

Direct Shift Gearbox (DSG)

S abbreviations

Disc brake

Safety car

Displacement

Saloon

Distributor

Scandinavian flick

Dive

Series hybrid

Dog-engagement gearbox (dogbox)

Series/parallel hybrid

Dogleg gearchange

Shock absorber

Double overhead camshaft (DOHC)

Shoulder

Doughnut

Sidepod

Down the road graphics (DRG)

Sidewall

Downforce

Sill

Downsizing

Sipe

Drag

Six-light

Drag Reduction System (DRS)

Sizzle

Driveshaft

Slick

Drivetrain

Slip angle

Driving cycle

Solid tappets

Dry sump

Splitter

Dual-clutch transmission (DCT)

Stabilizer

Duralumin

Steering axis

Dynamometer

Steering offset

Dyno

Stoichiometric

E abbreviations

Sub-woofer

ECE-15

Suck squeeze bang blow

Efficiency

Suicide doors

Electric vehicle (EV)

Supercharger

Electrochemical cell

Superforming

Electronic Stability Control (ESC)

Supermini

Electronic Stability Program (ESP)

Supplemental Restraint System (SRS)

Elk test

Swan wing doors

Emissions

Sway bar

End plate

Swing axle

Energy density

T abbreviations

Energy Recovery System (ERS)

T-tray

Engine management system

Tachograph

Epicyclic gears

Tachometer

Exhaust gas recirculation (EGR)

Tappet

Exhaust stroke

Tappet

Expansion ratio

Thermal efficiency

Extended Range Electric Vehicle (EREV)

Timing

F abbreviations

Tiptronic

Fastback

Top dead centre (TDC)

Final drive

Torsion bar

Finger follower

Traction battery

Firewall

Traction Control System (TCS)

Flame front

Trailing shoe

Flat spot

Transaxle

Flywheel

Tread

Forced induction

Turbo lag

Four stroke cycle

Turbocharger

Fuel cell

Tweeter

Fuel consumption

Twin clutch transmission

Fuel injection

Two stroke cycle

Full lock

Type approval

g

Undersquare

G abbreviations

Understeer

Gas turbine

V abbreviations

Greenhouse gases (GHGs)

V-engine

Grid

Valve clearance

Gull-wing doors

Valve gear

Gurney flap

Valve lift

H abbreviations

Valve overlap

Hardtop

Valve seat

Hatchback

Valve timing

Head and Neck Support (HANS)

Valvetrain

Head-up display (HUD)

VANOS

Heating, ventilation and air conditioning (HVAC)

Variable valve timing (VVT)

Heeling and toeing

Ventilated discs

Hemi

Volt (V)

High intensity discharge (HID) lamps

Volumetric efficiency

Homogeneous Charge Compression Ignition (HCCI)

VTEC

Horsepower (hp)

W abbreviations

Hub carrier

Watt (W)

Human Machine Interface (HMI)

Wing

Hybrid

Woofer

Hydraulic tappets

Xenon headlamps

Hypoid bevel

Yaw

I abbreviation

Yump

ICE

Z abbreviations

Ignition delay

Zero emission vehicle (ZEV)

Ignition stroke

 

 

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