Library / English Dictionary

    TL

    Pronunciation (US): Play  (GB): Play

     I. (noun) 

    Sense 1

    Meaning:

    A soft grey malleable metallic element that resembles tin but discolors on exposure to air; it is highly toxic and is used in rodent and insect poisons; occurs in zinc blende and some iron oresplay

    Synonyms:

    atomic number 81; thallium; Tl

    Classified under:

    Nouns denoting substances

    Hypernyms ("Tl" is a kind of...):

    metal; metallic element (any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.)

    Holonyms ("Tl" is a substance of...):

    blende; sphalerite; zinc blende (an ore that is the chief source of zinc; consists largely of zinc sulfide in crystalline form)

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