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chlorophyll Definition

chloro·phyll (klôr′ə fil′)

noun

the green pigment found in the chloroplasts of plant cells: it occurs in five forms, esp. (chlorophyll a), CHMgNO, and (chlorophyll b), CHMgNO: it is essential to the photosynthetic process and is used as a coloring agent, in topical medicines, etc.

Etymology: Fr chlorophylle: see chloro- & -phyll

chlorophyll Related Forms

chlo′ro·phyl′·lose′ (-ōs′) adjective or chlo′ro·phyl′·lous-əs

chlorophyll Usage Examples

Converse of object

  • contain: A scientific theory would be âThis leaf contains chlorophyll, this leaf is green.
  • call: In the presence of sunlight, tiny plant species called phytoplankton use the nutrients to produce a greenish plant substance called chlorophyll.
  • have: This curious plant has no chlorophyll, growing with the aid of a fungus feeding off dead wood.
  • use: Animals obtain their energy by oxidation of foods, plants do so by trapping the sunlight using chlorophyll.
  • make: Another cause of chlorosis can be alkaline soil conditions which prevent the uptake of Iron ( Fe ++ ) essential for making chlorophyll.
  • bind: If each monomer binds 10 chlorophylls then the LHCI more than doubles the light-harvesting size of PSI.

Converse of subject

absorb: The energy of the photon absorbed by chlorophyll is coupled to electron transport.

Adjective modifier

  • green: We just can't see them in the summer, because they are covered up by the green chlorophyll.
  • light: A chloroplast is an organelle in green plants containing the light harvesting pigment chlorophyll.

Modifies a noun

  • a/b: A gene encoding components of the light harvesting chlorophyll a/b complex ( LHC ) is regulated by the circadian clock.
  • fluorescence: Ferry Box monitors phytoplankton levels by measuring chlorophyll fluorescence.
  • molecule: The green chlorophyll molecule has a Magnesium ion at its center.
  • concentration: Three basic measures were used to monitor the response of the bulk phytoplankton community to the addition of iron: Total chlorophyll concentration.
  • maximum: Various mechanisms that control the position of the chlorophyll maximum differ widely.
  • content: Chlorophyll content was lowest in plants supplied low amounts of nitrogen.

Noun used with modifier

  • harvesting: A chloroplast is an organelle in green plants containing the light harvesting pigment chlorophyll.
  • pigment: Within these tissues, there are small particles called chloroplasts which contain pigments, including the green pigment chlorophyll.
  • surface: We will determine dust supply also from satellite data and look for resulting changes in surface chlorophyll.

Preposition: in

  • leave: You could follow the loss of chlorophyll in leaves in the autumn, ?
  • water: Firstly on the left is the amount of chlorophyll in the water.