rosin

noun

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ros·in | \ ˈrä-zᵊn

, ˈrȯ-, dialectal ˈrȯ-zəm \

Definition of rosin

(Entry 1 of 2)

: 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

rosin

verb

rosined; rosining\ ˈräz-niŋ

, ˈrȯz- ; ˈrä-zᵊn-iŋ , ˈrȯ- \

Definition of rosin (Entry 2 of 2)

transitive verb

: to rub or treat (something, such as the bow of a violin) with rosin

Examples of rosin in a Sentence

Recent Examples on the Web: Noun McCann suggested an on-deck circle behind the mound with certain essentials: pine-tar rag, sunscreen and rosin. — Andrew Tredinnick, USA TODAY, 27 Apr. 2022 For instance, what happens if a pitcher wears sunscreen for an outdoor day game and comes in contact with the rosin bag? — The Salt Lake Tribune, 21 June 2021 One hundred years ago, the Supreme Court made a determination about the nature of the game that would stick like rosin through the century. — Ross Ufberg, WSJ, 2 Apr. 2022 For instance, what happens if a pitcher wears sunscreen for an outdoor day game and comes in contact with the rosin bag? — The Salt Lake Tribune, 21 June 2021 League officials, managers and even hitters had tacitly accepted this for years, because some substances — like sunscreen mixed with rosin — were thought to be relatively harmless ways for pitchers to improve their grip on slippery baseballs. — New York Times, 23 June 2021 For instance, what happens if a pitcher wears sunscreen for an outdoor day game and comes in contact with the rosin bag? — The Salt Lake Tribune, 21 June 2021 For instance, what happens if a pitcher wears sunscreen for an outdoor day game and comes in contact with the rosin bag? — The Salt Lake Tribune, 21 June 2021 For instance, what happens if a pitcher wears sunscreen for an outdoor day game and comes in contact with the rosin bag? — The Salt Lake Tribune, 21 June 2021 Recent Examples on the Web: Verb This year, rosin bags at every stadium will be the same. — Jorge Castillostaff Writer, Los Angeles Times, 9 Apr. 2022 Soon, in the empty living room, Ronco’s right arm was dancing, and rosin dust floated through the sunlight. — Washington Post, 17 Jan. 2022 Every musician has a particular set of tasks and warm-ups before a performance or practice session—oiling the valves, rosining the bow, tuning, long tones, scales, stretches. — Rachel Hawley, Smithsonian, 27 June 2017 See More

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.

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Dictionary Entries Near rosin

rosily

rosin

rosinante

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Last Updated

13 May 2022

Cite this Entry

“Rosin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rosin. Accessed 20 May. 2022.

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More Definitions for rosin

rosin

noun

ros·in | \ ˈrä-zᵊn

Kids Definition of rosin

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

rosin

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