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rosin

play
noun ros·in \ ˈrä-zᵊn , ˈrȯ- , dialectal ˈrȯ-zəm \
Updated on: 11 Sep 2017

Definition of rosin

:a translucent amber-colored to almost black brittle friable resin that is obtained from the oleoresin or deadwood of pine trees or from tall oil and used especially in making varnish

Recent Examples of rosin from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'rosin.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of rosin

Middle English, from Anglo-French reisine, rosine resin


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rosin

verb

Definition of rosin

rosined; rosining play \ˈräz-niŋ, ˈrȯz-; ˈrä-zᵊn-iŋ, ˈrȯ-\
transitive verb
:to rub or treat (something, such as the bow of a violin) with rosin

First Known Use of rosin

14th century


ROSIN Defined for Kids

rosin

play
noun ros·in \ ˈrä-zᵊn \

Definition of rosin for Students

:a hard brittle yellow to dark red substance obtained especially from pine trees and used in varnishes and on violin bows

Medical Dictionary

rosin

play
noun ros·in \ ˈräz-ᵊn , ˈrȯz- \

medical Definition of rosin

:a translucent amber-colored to almost black brittle friable resin that is obtained from the oleoresin or deadwood of pine trees or from tall oil and is used in pharmacology as an adhesive constituent in plasters, cerates, and ointments called also colophony

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