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Any of a group of green pigments that capture light energy used as the energy source in photosynthesis and that are found in the chloroplasts of plants and other photosynthetic organisms such as cyanobacteria, especially:
a. A waxy blue-black microcrystalline green-plant pigment, C55H72MgN4O5, with a characteristic blue-green alcohol solution. Also called chlorophyll a.
b. A similar green-plant pigment, C55H70MgN4O6, having a brilliant green alcohol solution. Also called chlorophyll b.

chlo′ro·phyl′lous adj.
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Adj.1.chlorophyllous - relating to or being or containing chlorophyll
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References in periodicals archive ?
Mycothallic/mycorrhizal symbiosis of chlorophyllous gametophytes and sporophytes of a fern, Pellaea viridis (Forsk) Prantl.
Spore germination and viability in pteridophyta: evolutionary significance of chlorophyllous spores.
The larva consumes the chlorophyllous tissue entirely (from the upper cuticle to the lower).
The microscopic view of the internode (Figure 1C) reflects that all vascular bundles are embedded in the parenchyma with the larger ones (V) being arranged in a circle or ellipse, while the smaller peripheral (P) are located close to chlorophyllous bands.