C c


    • US Pronunciation
    • US IPA
    • UK Pronunciation
    • UK IPA
    • [klawr-uh-fil, klohr-]
    • /ˈklɔr ə fɪl, ˈkloʊr-/
    • /ˈklɒr.ə.fɪl/
    • US Pronunciation
    • US IPA
    • [klawr-uh-fil, klohr-]
    • /ˈklɔr ə fɪl, ˈkloʊr-/

Definitions of chlorophyll word

  • uncountable noun chlorophyll Chlorophyll is a green substance in plants which enables them to use the energy from sunlight in order to grow. 3
  • noun chlorophyll the green pigment of plants and photosynthetic algae and bacteria that traps the energy of sunlight for photosynthesis and exists in several forms, the most abundant being chlorophyll a (C55H72O5N4Mg): used as a colouring agent in medicines or food (E140) 3
  • noun chlorophyll the green pigment found in the chloroplasts of plant cells: it occurs in five forms, esp. (chlorophyll a), C55H72MgN4O5, and (chlorophyll b), C55H70MgN4O6: it is essential to the photosynthetic process and is used as a coloring agent, in topical medicines, etc. 3
  • noun chlorophyll Chlorophyll is any, or all, of a group of green pigments that are found in plants and other organisms, which enables them to use the energy from sunlight. 3
  • noun chlorophyll the green coloring matter of leaves and plants, essential to the production of carbohydrates by photosynthesis, and occurring in a bluish-black form, C 55 H 72 MgN 4 O 5 (chlorophyll a) and a dark-green form, C 55 H 70 MgN 4 O 6 (chlorophyll b) 1
  • noun chlorophyll A green pigment, present in all green plants and in cyanobacteria, responsible for the absorption of light to provide energy for photosynthesis. Its molecule contains a magnesium atom held in a porphyrin ring. 1

Information block about the term

Origin of chlorophyll

First appearance:

before 1810
One of the 40% newest English words
First recorded in 1810-20; chloro-1 + -phyll

Historical Comparancy

Parts of speech for Chlorophyll


chlorophyll popularity

A common word. It’s meaning is known to most children of preschool age. About 85% of English native speakers know the meaning and use the word.
Most Europeans know this English word. The frequency of it’s usage is somewhere between "mom" and "screwdriver".

chlorophyll usage trend in Literature

This diagram is provided by Google Ngram Viewer

Top questions with chlorophyll

  • why is chlorophyll green?
  • what is chlorophyll?
  • where is chlorophyll found in a plant cell?
  • what does chlorophyll do?
  • what are the roles of chloroplasts and chlorophyll in photosynthesis?
  • what does chlorophyll do in photosynthesis?
  • where in the chloroplast is chlorophyll found?
  • what does chlorophyll mean?
  • what role does chlorophyll play in photosynthesis?
  • where is chlorophyll found in the chloroplast?
  • what is the role of chlorophyll in photosynthesis?
  • why do plants contain other pigments besides chlorophyll?
  • besides chlorophyll what other pigments are found in the chloroplasts?
  • where is chlorophyll found?
  • what is the relationship between pigments and chlorophyll?

See also

Matching words

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