mastic

noun
mas·tic | \ˈmas-tik \

Definition of mastic 

1 : an aromatic resinous exudate from mastic trees used chiefly in varnishes

2 : any of various pasty materials used as protective coatings or cements

First Known Use of mastic

14th century, in the meaning defined at sense 1

History and Etymology for mastic

Middle English mastik, from Latin mastiche, from Greek mastichē, probably back-formation from mastichan

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The first known use of mastic was in the 14th century

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mastic

noun
mas·tic | \ˈmas-tik \

Medical Definition of mastic 

: an aromatic resinous exudation obtained usually in the form of yellowish to greenish lustrous transparent brittle tears from incisions in a small southern European tree (Pistacia lentiscus) of the sumac family and used chiefly in varnishes (as for lining dental cavities)

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