chlorophyll

noun
chlo·ro·phyll | \ˈklȯr-ə-ˌfil, -fəl\

Definition of chlorophyll 

1 : the green photosynthetic pigment found chiefly in the chloroplasts of plants and occurring especially as a blue-black ester C55H72MgN4O5 or a dark green ester C55H70MgN4O6

called also respectively chlorophyll a, chlorophyll b

2 : a waxy green chlorophyll-containing substance extracted from green plants and used as a coloring agent or deodorant

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Other Words from chlorophyll

chlorophyllous \ˌklȯr-ə-ˈfi-ləs \ adjective

Examples of chlorophyll in a Sentence

Recent Examples on the Web

In the current wellness world of $11 juices made of kale and chlorophyll and a price tag of $85 to freeze your entire body for three minutes, that's a steal. Brooke Bobb, Vogue, "I Paid $25 For a 45-Minute Nap at NYC’s New Sleep Store—and Yes, It Was Dreamy," 13 July 2018 Some use chlorophyll to convert sunlight during photosynthesis and others use rhodopsins, proteins that bind to a form of vitamin A called retina to capture light. Shandria Sutton, Science | AAAS, "New ‘light-eating’ protein discovered in the Sea of Galilee," 5 July 2018 What’s more, unlike most other deep-sea fish, the stoplight loosejaw is also one of few fish able to see long red wavelengths by producing a derivative of chlorophyll, the light-converting pigment typically found in plants. Katherine J. Wu, Smithsonian, "Why Bioluminescence Evolved to Be Red Light, and Blue," 26 June 2018 Fifth-grade teacher Alayna Weinstein already has used the greenhouse to teach students about light deprivation, chlorophyll and photosynthesis. Karen Berkowitz, chicagotribune.com, "Rundown house becomes gardening lab after anonymous gift to Highland Park school," 24 Apr. 2018 These kinds of foods can make your poop change color because of their chlorophyll, a plant pigment that gives green vegetables their hue, Dr. Shen says. Korin Miller, SELF, "Here Are All the Things That Can Cause Bizarre Green Poop," 30 May 2018 The green color comes from the chlorophyll, which is a natural part of the bacterium. Yousong Ding, Washington Post, "Hawaii is set to ban sunscreens that damage coral. Greener, safer options are on the horizon.," 9 May 2018 Green on green on green on green, all of this chlorophyll inducing a bleary anesthetic—or Andrew thought so. David Gilbert, The New Yorker, "Fungus," 4 June 2017 Quality turf fertilizers offered at local garden centers contain adequate nitrogen to re-green your lawn — and often iron to help form green chlorophyll within the blades. Tom Maccubbin, OrlandoSentinel.com, "Talking St. Augustine lawns, from seeds to fertilizer," 12 May 2018

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

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First Known Use of chlorophyll

1819, in the meaning defined at sense 1

History and Etymology for chlorophyll

French chlorophylle, from chlor- + Greek phyllon leaf — more at blade

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Statistics for chlorophyll

Last Updated

22 Sep 2018

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Time Traveler for chlorophyll

The first known use of chlorophyll was in 1819

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More Definitions for chlorophyll

chlorophyll

noun

English Language Learners Definition of chlorophyll

: the green substance in plants that makes it possible for them to make food from carbon dioxide and water

chlorophyll

noun
chlo·ro·phyll | \ˈklȯr-ə-ˌfil \

Kids Definition of chlorophyll

: the green coloring matter found mainly in the chloroplasts of plants that absorbs energy from sunlight to produce carbohydrates from carbon dioxide and water during photosynthesis

chlorophyll

noun
chlo·ro·phyll | \ˈklōr-ə-ˌfil, ˈklȯr-, -fəl \

Medical Definition of chlorophyll 

1 : the green photosynthetic coloring matter of plants found in chloroplasts and made up chiefly of a blue-black ester C55H72MgN4O5 and a dark green ester C55H70MgN4O6

called also respectively chlorophyll a, chlorophyll b

2 : a waxy green chlorophyll-containing substance extracted from green plants and used as a coloring agent or deodorant

Other Words from chlorophyll

chlorophyllous \ˌklōr-ə-ˈfil-əs, ˌklȯr- \ also chlorophyllose \-ˈfil-ˌōs, -(ˌ)fil-ˈ \ adjective

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