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These were highly prized substances, and required as incense in some religious rites. The word resin comes from French resine, from Latin resina "resin", which either derives from or is a cognate of the Greek ῥητίνη rhētínē "resin of the pine", of unknown earlier origin, though probably non-Indo-European. [10] [11]
Rosin (/ ˈ r ɒ z ɪ n /), also known as colophony or Greek pitch (Latin: pix graeca), is a resinous material obtained from pine trees and other plants, mostly conifers. The primary components of rosin are diterpenoids, i.e., C 20 carboxylic acids. Rosin consists mainly of resin acids, especially abietic acid. [1]
Although the word originally referred to the resinous exudate of terebinth trees (e.g. Chios turpentine, Cyprus turpentine, and Persian turpentine), [6] [7] it now refers to that of coniferous trees, namely crude turpentine (e.g. Venice turpentine is the oleoresin of larch), [8] or the volatile oil part thereof, namely oil (spirit) of ...
Today's NYT Connections puzzle for Saturday, February 15, 2025The New York Times
Balsam is the resinous exudate (or sap) which forms on certain kinds of trees and shrubs.Balsam (from Latin balsamum "gum of the balsam tree," ultimately from a Semitic source such as Hebrew: בֹּשֶׂם, romanized: bośem, lit.
Pitch produced from petroleum may be called bitumen or asphalt, while plant-derived pitch, a resin, is known as rosin in its solid form. Tar is sometimes used interchangeably with pitch, but generally refers to a more liquid substance derived from coal production, including coal tar, or from plants, as in pine tar. [2]
The refined resin is sometimes available as a translucent solid and is then "run" by cooking or melting it in a pot over heat without solvents. The thickened oil and prepared resin are then cooked together and thinned with turpentine (away from open flame) into a brushable solution. The ingredients and processes of violin varnish are very ...
Articles relating to resins, solid or highly viscous substances of plant or synthetic origin that are typically convertible into polymers. Resins are usually mixtures of organic compounds . Subcategories