chlorophyll

noun

chlo·​ro·​phyll ˈklȯr-ə-ˌfil How to pronounce chlorophyll (audio)
-fəl
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
chlorophyllous adjective

Examples of chlorophyll in a Sentence

Recent Examples on the Web The high winds and rough seas bring cooler, deep-sea water to the surface, and an increase in chlorophyll due to this mixing, which ramps up phytoplankton abundance, bringing with it the fish, squid and crustaceans that feed on it. New Atlas, 11 July 2024 Barley grass: Barley grass is rich in vitamins, minerals, chlorophyll, fiber, and antioxidants. Isabel Vasquez Rd Ldn, Verywell Health, 9 July 2024 Cleanliness: Each clothing item was pre-stained with jojoba oil, foundation, chlorophyll, mud, chocolate, wine, and spaghetti sauce. Laura Lu, Ms, Parents, 27 May 2024 Briefly cooking the greens in rapidly boiling water for a few seconds and shocking in ice water sets the chlorophyll and locks in the bright green color for the finished pesto. Sunset Magazine, 22 Mar. 2024 See all Example Sentences for chlorophyll 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'chlorophyll.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

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

First Known Use

1819, in the meaning defined at sense 1

Time Traveler
The first known use of chlorophyll was in 1819

Dictionary Entries Near chlorophyll

Cite this Entry

“Chlorophyll.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/chlorophyll. Accessed 19 Jul. 2024.

Kids Definition

chlorophyll

noun
chlo·​ro·​phyll ˈklōr-ə-ˌfil How to pronounce chlorophyll (audio)
ˈklȯr-,
-fəl
: the green coloring matter that is found chiefly in the chloroplasts of plants and is necessary for photosynthesis

Medical Definition

chlorophyll

noun
chlo·​ro·​phyll ˈklōr-ə-ˌfil, ˈklȯr-, -fəl How to pronounce chlorophyll (audio)
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
chlorophyllous adjective
also chlorophyllose

More from Merriam-Webster on chlorophyll

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