Home › Words › A › alcolockalcolock/ˈæl.kə.lɒk/alcolock means A mechanism that prevents a car from starting if the driver has exceeded the legal limits of alcohol consumption.alcolock is pronounced /ˈæl.kə.lɒk/.EtymologyBlend of alcohol + lock.nounA mechanism that prevents a car from starting if the driver has exceeded the legal limits of alcohol consumption.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.alcoblow 64% match — The use of breathalyzers. vs alcolock →alcotest 59% match — An alcohol test; the measurement of the blood alcohol level. vs alcolock →drunkometer 57% match — A breathalyzer. vs alcolock →alcoometer 56% match — A hydrometer or aerometer calibrated to measure the percentage of alcohol in a mixture of alcohol and water. vs alcolock →alcometer 56% match — A device for measuring alcohol content, used in brewing. vs alcolock →unclockable 53% match — Having an odometer that cannot be altered to provide a fake reading. vs alcolock →breathalyzer 51% match — A device that measures alcohol in expired air so as to estimate the concentration of alcohol in a person's blood; used by traffic police in cases of suspected driving while under the influence of alcohol. vs alcolock →alcoholometry 51% match — The measurement of the concentration of alcohol in a liquid, especially in the blood vs alcolock →