Definition of lignin in English:

lignin

noun ˈlɪɡnɪnˈlɪɡnən

mass nounBotany

A complex organic polymer deposited in the cell walls of many plants, making them rigid and woody.
〔植〕木质素
Example sentencesExamples
- The hypodermis of all three species has two distinct zones that contain suberin and lignin.
- Callose, lignin and suberin are polymers that can be elicited as plant defences that reinforce cell walls of some species.
- Impregnation of endodermal and hypodermal walls with suberin and lignin should reduce the diameter of interfibrillar spaces.
- Cytochemistry and autofluorescence observations were used to detect the presence of lignin and suberin in unfixed tissues.
- While animal cell membranes decay too rapidly to be pyritised, the cellulose or lignin cell walls of plants are more resistant and may be preserved in this way.

Origin

Early 19th century: from ligni- 'of wood' + -in¹.

Definition of lignin in US English:

lignin

nounˈliɡnənˈlɪɡnən

Botany

A complex organic polymer deposited in the cell walls of many plants, making them rigid and woody.
〔植〕木质素
Example sentencesExamples
- Impregnation of endodermal and hypodermal walls with suberin and lignin should reduce the diameter of interfibrillar spaces.
- The hypodermis of all three species has two distinct zones that contain suberin and lignin.
- While animal cell membranes decay too rapidly to be pyritised, the cellulose or lignin cell walls of plants are more resistant and may be preserved in this way.
- Cytochemistry and autofluorescence observations were used to detect the presence of lignin and suberin in unfixed tissues.
- Callose, lignin and suberin are polymers that can be elicited as plant defences that reinforce cell walls of some species.

Origin

Early 19th century: from ligni- ‘of wood’ + -in.

单词	lignin
释义	Definition of lignin in English: lignin noun ˈlɪɡnɪnˈlɪɡnən mass nounBotany A complex organic polymer deposited in the cell walls of many plants, making them rigid and woody. 〔植〕木质素 Example sentencesExamples The hypodermis of all three species has two distinct zones that contain suberin and lignin. Callose, lignin and suberin are polymers that can be elicited as plant defences that reinforce cell walls of some species. Impregnation of endodermal and hypodermal walls with suberin and lignin should reduce the diameter of interfibrillar spaces. Cytochemistry and autofluorescence observations were used to detect the presence of lignin and suberin in unfixed tissues. While animal cell membranes decay too rapidly to be pyritised, the cellulose or lignin cell walls of plants are more resistant and may be preserved in this way. Origin Early 19th century: from ligni- 'of wood' + -in¹. Definition of lignin in US English: lignin nounˈliɡnənˈlɪɡnən Botany A complex organic polymer deposited in the cell walls of many plants, making them rigid and woody. 〔植〕木质素 Example sentencesExamples Impregnation of endodermal and hypodermal walls with suberin and lignin should reduce the diameter of interfibrillar spaces. The hypodermis of all three species has two distinct zones that contain suberin and lignin. While animal cell membranes decay too rapidly to be pyritised, the cellulose or lignin cell walls of plants are more resistant and may be preserved in this way. Cytochemistry and autofluorescence observations were used to detect the presence of lignin and suberin in unfixed tissues. Callose, lignin and suberin are polymers that can be elicited as plant defences that reinforce cell walls of some species. Origin Early 19th century: from ligni- ‘of wood’ + -in.
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