To give a label to (someone or something) in order to categorise that person or thing.
To replace specific atoms by their isotope in order to track the presence or movement of this isotope through a reaction, metabolic pathway or cell.
To add a detectable substance, either transiently or permanently, to a biological substance in order to track the presence of the label-substance combination either in situ or in vitro
From Middle English label ("narrow band, strip of cloth"), from Old French label, lambel (Modern French lambeau), from Frankish *lappā ("torn piece of cloth"), from Proto-Germanic *lappǭ, *lappô, from Proto-Indo-European *leb- ("blade"). Cognate with Old High German lappa ("rag, piece of cloth"), Old English læppa ("skirt, flap of a garment"). More at lap.
Modern English dictionary
Explore and search massive catalog of over 900,000 word meanings.
Word of the Day
Get a curated memorable word every day.
Challenge yourself
Level up your vocabulary by setting personal goals.