lignan

noun

lig·​nan ˈlig-ˌnan How to pronounce lignan (audio)
: any of a class of propyl phenolic dimers including many found in plants and noted for having antioxidant and estrogenic activity

Example Sentences

Recent Examples on the Web Eating flax seeds and pumpkin seeds during the first phase of your cycle is thought to boost estrogen production as your body metabolizes lignan. Jaclyn London, Ms, Rd, Cdn, Good Housekeeping, 16 May 2019 One large study found that a higher lignan intake was associated with less decline in cognitive function, memory and processing. Dr. Mehmet Oz, Good Housekeeping, 28 Sep. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'lignan.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

Etymology

International Scientific Vocabulary lign- + -an entry 3

First Known Use

1944, in the meaning defined above

Time Traveler
The first known use of lignan was in 1944

Dictionary Entries Near lignan

Cite this Entry

“Lignan.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lignan. Accessed 9 Dec. 2022.

Medical Definition

lignan

noun
lig·​nan ˈlig-ˌnan How to pronounce lignan (audio)
: any of a class of polyphenolic compounds including many found in plants and noted for having antioxidant and estrogenic activity
In the process of digestion, bacteria convert lignans into estrogen-like substances … Wellness Letter
The major types of phytoestrogens are thought to be isoflavones, found in soy protein, and lignans, found in flaxseeds, whole grains, and some fruits and vegetables. Consumer Reports
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