Resin Res"in (r[e^]z"[i^]n), n. [F. r['e]sine, L. resina; cf. Gr. "rhti`nh Cf. {Rosin}.] Any one of a class of yellowish brown solid inflammable substances, of vegetable origin, which are nonconductors of electricity, have a vitreous fracture, and are soluble in ether, alcohol, and essential oils, but not in water; specif., pine resin (see {Rosin}). [1913 Webster]

Note: Resins exude from trees in combination with essential oils, gums, etc., and in a liquid or semiliquid state. They are composed of carbon, hydrogen, and oxygen, and they consist primarily of polymerized small molecules having carboxylic groups. Copal, mastic, guaiacum, and colophony or pine resin, are some of them. When mixed with gum, they form the gum resins, like asafetida and gamboge; mixed with essential oils, they form balsams, or oleoresins. They are also used in making varnishes. [1913 Webster]

2. Any of various polymeric substance resembling the natural resins[1], prepared synthetically; -- they are used, especially in particulate form, in research and industry for their property of specifically absorbing or adsorbing substances of particular types; they are especially useful in separation processes such as chromatography; as, an ion-exchange {resin}. [PJC]

{Highgate resin} (Min.), a fossil resin resembling copal, occuring in blue clay at Highgate, near London.

{Resin bush} (Bot.), a low composite shrub ({Euryops speciosissimus}) of South Africa, having smooth pinnately parted leaves and abounding in resin. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

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  • resin — late 14c., from O.Fr. resine, from L. resina resin, from Gk. rhetine resin of the pine, of unknown origin …   Etymology dictionary

  • resin — ► NOUN 1) a sticky substance exuded by some trees. 2) a synthetic polymer used as the basis of plastics, adhesives, varnishes, etc. ► VERB (resined, resining) ▪ rub or treat with resin. DERIVATIVES resinous adjective …   English terms dictionary

  • resin — [rez′ən] n. [ME < MFr resine < L resina < or akin to Gr rhētinē] 1. any of various solid or semisolid, viscous, usually clear or translucent, yellowish or brownish, organic substances exuded from various plants and trees: natural resins… …   English World dictionary

  • Resin — Not to be confused with rosin, a particular type of resin. This article is about the plant secretion. For other uses, see Resin (disambiguation). Insect trapped in resin …   Wikipedia

  • resin — resinlike, adj. /rez in/, n. 1. any of a class of nonvolatile, solid or semisolid organic substances, as copal or mastic, that consist of amorphous mixtures of carboxylic acids and are obtained directly from certain plants as exudations or… …   Universalium

  • Resin — (Roget s Thesaurus) < N PARAG:Resin >N GRP: N 1 Sgm: N 1 resin resin rosin Sgm: N 1 gum gum Sgm: N 1 lac lac sealing wax Sgm: N 1 amber amber ambergris Sgm: N 1 bitumen bitumen …   English dictionary for students

  • resin — [1] A secretion from trees used in varnishes, printing ink, and plastic as a binder. [2] A synthetic product with some of the same physical properties as the plant secretion. [3] A liquid plastic used in body work. [4] Synthetic plastic adhesive …   Dictionary of automotive terms

  • resin — [[t]re̱zɪn[/t]] resins 1) N MASS Resin is a sticky substance that is produced by some trees. ...a tropical tree which is bled regularly for its resin. 2) N MASS Resin is a substance that is produced chemically and used to make plastics. Two of… …   English dictionary

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