lignin

lignin
A random polymer of coniferyl alcohol accompanying cellulose and present in vegetable fiber and wood cells; a source of vanillin (by oxidation of l.); l. composition varies with plant species. It is one of the most abundant biopolymers in nature. [L. lignum, wood]

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lig·nin 'lig-nən n an amorphous polymeric substance related to cellulose that together with cellulose forms the woody cell walls of plants and the cementing material between them

Medical dictionary. 2011.

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  • Lignin — or lignen is a complex chemical compound most commonly derived from wood and an integral part of the secondary cell walls of plants.cite encyclopedia |last=Lebo |first=Stuart E. Jr. |author= |authorlink= |coauthors=Gargulak, Jerry D. and McNally …   Wikipedia

  • Lignin — Lig nin (l[i^]g n[i^]n), n. [L. lignum wood: cf. F. lignine.] (Bot.) A substance characterizing wood cells and differing from cellulose in its conduct with certain chemical reagents. [1913 Webster] Note: Recent authors have distinguished four… …   The Collaborative International Dictionary of English

  • Lignin — Lignin, nannte man sonst die Holzfaser, wenn sie bei der Behandlung des Holzes mit verschiedenen Lösungsmitteln als reine Pflanzenfaser zurückbleibt (s.u. Faserstoff 1). Payen bezeichnet als L. die auf der innern Oberfläche der Pflanzenzelle… …   Pierer's Universal-Lexikon

  • Lignin — (Holzstoff), eine celluloseähnliche Substanz, welche neben Cellulose in wechselnden Mengen im Holz vorkommt, den unverdaulichen Teil der Futterpflanzen, die sogenannte Rohfaser, bildet und wahrscheinlich kein einheitlicher Körper, sondern ein… …   Lexikon der gesamten Technik

  • Lignin — (Chem.), s.u. Schießbaumwolle S. 158 …   Pierer's Universal-Lexikon

  • lìgnīn — m 〈G lignína〉 1. {{001f}}kem. uz celulozu, glavni sastojak drvne tvari (do 30 %), još neobjašnjene strukture, kod prerade drva u celulozu (papir) treba ga odvojiti otapanjem u lužini ili u otopini kalcijeva sulfita 2. {{001f}}vrsta tankog papira… …   Veliki rječnik hrvatskoga jezika

  • lignin — 1822, from L. lignum wood (see LIGNI (Cf. ligni )) + chemical suffix IN (Cf. in) (2) …   Etymology dictionary

  • lignin — lìgnīn m <G lignína> DEFINICIJA 1. kem. uz celulozu, glavni sastojak drvne tvari (do 30%), još neobjašnjene strukture, kod prerade drva u celulozu (papir) treba ga odvojiti otapanjem u lužini ili u otopini kalcijeva sulfita 2. vrsta tankog… …   Hrvatski jezični portal

  • lignin — ► NOUN Botany ▪ a complex organic polymer deposited in the cell walls of many plants, making them rigid and woody. ORIGIN from Latin lignum wood …   English terms dictionary

  • lignin — [lig′nin] n. [ LIGN(I) + IN1] an amorphous, cellulose like, organic substance which acts as a binder for the cellulose fibers in wood and certain plants and adds strength and stiffness to the cell walls …   English World dictionary

  • Lignin — Strukturformel Beispiel einer Ligninstruktur Allgemeines Name Lignin …   Deutsch Wikipedia

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