chlorophyll b
Chlorophyll Chlo"ro*phyll, n. [Gr. chlwro`s light green + fy`llon leaf: cf. F. chlorophylle.] 1. (Bot.) Literally, leaf green; a green granular matter formed in the cells of the leaves (and other parts exposed to light) of plants, to which they owe their green color, and through which all ordinary assimilation of plant food takes place. Similar chlorophyll granules have been found in the tissues of the lower animals. [Written also {chlorophyl}.] [1913 Webster]

2. any of a group of green pigments found in photosynthetic organisms. {Chlorophyll a} and {chlorophyll b} are found in higher plants and green algae; {chlorophyll c} is found in certain types of marine algae. Chemically, it has a porphyrin ring with a magnesium ion bound to the four central nitrogens, and has a phytyl side chain. It is essential for photosynthesis in most plants. {Chlorophyll a} has formula {C55H72N4O5Mg}.

Syn: chlorophyll. [WordNet 1.5]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • Chlorophyll b — Identifiers PubChem 25244471 …   Wikipedia

  • chlorophyll b — noun a dark green plant pigment having a brilliant green alcohol solution; generally characteristic of higher plants • Hypernyms: ↑chlorophyll, ↑chlorophyl * * * noun see chlorophyll …   Useful english dictionary

  • Chlorophyll a — Identifiers PubChem 6433192 …   Wikipedia

  • Chlorophyll — Chlo ro*phyll, n. [Gr. chlwro s light green + fy llon leaf: cf. F. chlorophylle.] 1. (Bot.) Literally, leaf green; a green granular matter formed in the cells of the leaves (and other parts exposed to light) of plants, to which they owe their… …   The Collaborative International Dictionary of English

  • Chlorophyll a — Chlorophyll Chlo ro*phyll, n. [Gr. chlwro s light green + fy llon leaf: cf. F. chlorophylle.] 1. (Bot.) Literally, leaf green; a green granular matter formed in the cells of the leaves (and other parts exposed to light) of plants, to which they… …   The Collaborative International Dictionary of English

  • Chlorophyll a — Chlorophyll Chlo ro*phyll, n. [Gr. chlwro s light green + fy llon leaf: cf. F. chlorophylle.] 1. (Bot.) Literally, leaf green; a green granular matter formed in the cells of the leaves (and other parts exposed to light) of plants, to which they… …   The Collaborative International Dictionary of English

  • chlorophyll c — Chlorophyll Chlo ro*phyll, n. [Gr. chlwro s light green + fy llon leaf: cf. F. chlorophylle.] 1. (Bot.) Literally, leaf green; a green granular matter formed in the cells of the leaves (and other parts exposed to light) of plants, to which they… …   The Collaborative International Dictionary of English

  • chlorophyll — or chlorophyl [klôr′ə fil΄] n. [Fr chlorophylle: see CHLORO & PHYLL] 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… …   English World dictionary

  • Chlorophyll — Blätter einer Magnolie. Narzissen Blattwerk Ende März unter dem Komposthaufe …   Deutsch Wikipedia

  • Chlorophyll — Leaf green redirects here. For the video game, see Pokémon FireRed and LeafGreen. Chlorophyll gives leaves their green color and absorbs light that is used in photosynthesis …   Wikipedia

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