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lignin

Definition:

a complex polymer; the chief constituent of wood other than carbohydrates; binds to cellulose fibers to harden and strengthen cell walls of plants

Class:

substance noun (substance and materials)

Related to:

ligneous

Plural:

lignins

Substance in:

wood » beam

Original source:

Princeton WordNet

Etymology:

"ligni-" "of wood" + "-in1"
(Source: Oxford Dictionary)  [more]

Definition references  (+images)

Wikipedia:

Lignin | lignen | C9H10O2 [chemical formula] | C10H12O3 [chemical formula] | C11H14O4 [chemical formula]

a complex chemical compound most commonly derived from wood, and an integral part of the secondary cell walls of plants and some algae. The term was introduced in 1819 by de Candolle and is derived from the Latin word lignum, meaning wood. It's one of... (45 of 2307 words, 4 images)

en​.wikipedia​.org​/wiki​/Lignin

Collins Dictionary:

lignin

a complex polymer occurring in certain plant cell walls making the plant rigid (13 of 251 words, 3 usage examples, pronunciation)

www​.collinsdictionary​.com​/dictionary​/english​/lignin

Britannica Encyclopedia:

lignin [organic material]

complex oxygen-containing organic substance that, with cellulose, forms the chief constituent of wood. It's second only to cellulose as the most ... (21 of 156 words)

www​.britannica​.com​/E​Bchecked​/topic​/340820​/lignin

Columbia Encyclopedia:

lignin

a highly polymerized and complex chemical compound especially common in woody plants. The cellulose walls of the wood become impregnated with lignin, ... (22 of 59 words, pronunciation)

www​.infoplease​.com​/ce​6​/sci​/A​0829757​.html

Oxford Dictionary:

lignin

Syllabification: (lig┬Ěnin) | [botany] | a complex organic polymer deposited in the cell walls of many plants, making them rigid and woody. (20 of 47 words, 3 definitions, pronunciation)

oxforddictionaries​.com​/definition​/american english​/lignin

lignin [botany]

a complex organic polymer deposited in the cell walls of many plants, making them rigid and woody (17 of 46 words, pronunciation)

oxforddictionaries​.com​/definition​/english​/lignin

Merriam-Webster:

lignin

an amorphous polymer related to cellulose that provides rigidity and together with cellulose forms the woody cell walls of plants and the cementing ... (23 of 42 words, pronunciation)

www​.merriam-webster​.com​/dictionary​/lignin

New World Dictionary:

lignin

an amorphous, cellulose-like, organic substance which acts as a binder for the cellulose fibers in wood and certain plants and adds strength and ... (23 of 33 words, pronunciation)

www​.yourdictionary​.com​/lignin

American Heritage Dictionary:

lignin

A complex polymer, the chief noncarbohydrate constituent of wood, that binds to cellulose fibers and hardens and strengthens the cell walls of plants. (23 of 26 words, pronunciation)

www​.yourdictionary​.com​/lignin

Random House Dictionary:

lignin

[botany] an organic substance that, with cellulose, forms the chief part of woody tissue. | [papermaking] impure matter found in wood pulp. (21 of 26 words, 2 definitions, pronunciation)

dictionary​.infoplease​.com​/lignin

Wiktionary:

lignin [organic chemistry] | lignins [plural]

A complex non-carbohydrate aromatic polymer present in all wood. (9 of 12 words)

en​.wiktionary​.org​/wiki​/lignin

Macmillan British Dictionary:

polymer [countable, chemistry] | polymers [plural]

a natural or artificially produced chemical substance consisting of large molecules made of many groups of smaller ones (18 of 44 words, pronunciation)

www​.macmillandictionary​.com​/dictionary​/british​/polymer

Cambridge Dictionary:

polymer [specialized]

a chemical substance consisting of large molecules made from many smaller and simpler molecules (14 of 31 words, 2 usage examples, pronunciations)

dictionary​.cambridge​.org​/dictionary​/british​/polymer

Encarta Dictionary:

lignin

the complex polymer in plant cell walls that gives the plant rigidity and strength, and is the major component of wood (21 of 42 words, pronunciation)

encarta​.msn​.com​/dictionary 1861698537​/definition​.html  [offline]

Etymology references

Oxford Dictionary:

lignin

First use: early 19th century

Origin: "ligni-" "of wood" + "-in1"

oxforddictionaries​.com​/definition​/american english​/lignin

Online Etymology:

lignin

First use: 1822

Origin: Latin lignum "wood" + -in.

www​.etymonline​.com​/index​.php term=lignin

New World Dictionary:

lignin

Origin: ligni- + "-in"

www​.yourdictionary​.com​/lignin

-in

Origin: French -in, -ine from Latin -inus, masculine, ... | French from Latin -ina, suffix of feminine abstract nouns | arbitrary use ... (19 of 43 etymology words)

www​.yourdictionary​.com​/in-suffix

Encarta Dictionary:

lignin

First use: Early 19th century

Origin: Latin lignum

encarta​.msn​.com​/dictionary 1861698537​/definition​.html  [offline]

ligni-

Origin: Latin lignum "wood, firewood" from Indo-European, "to collect"

encarta​.msn​.com​/dictionary 1861698534​/definition​.html  [offline]

Audio references

Collins Dictionary:

lignin

Audio: British English pronunciation of "lignin"

www​.collinsdictionary​.com​/dictionary​/english​/lignin

the Free Dictionary:

lignin

Audio 1: North American English pronunciation of "lignin"

Audio 2: British English pronunciation of "lignin"

Audio 3: North American English pronunciation of "lignin" by speech synthesizer

www​.thefreedictionary​.com​/lignin

Google Dictionary:

lignin

Audio: English pronunciation of "lignin"

www​.google​.com​/#hl=en&tbs=dfn​:1&fp=1&q=lignin

Merriam-Webster Pronunciation:

lignin

Audio: North American pronunciation of "lignin"

www​.merriam-webster​.com​/audio​.php file=lignin​01 word=lignin

YourDictionary Audio:

lignin

Audio: North American English pronunciation of "lignin" by speech synthesizer

www​.yourdictionary​.com​/lignin

Page last updated: 2013-06-26

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