chlorophyll

chlo·ro·phyll

noun \ˈklȯr-ə-ˌfil, -fəl\

Definition of CHLOROPHYLL

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 chlorophyll a, chlorophyll b

2

: a waxy green chlorophyll-containing substance extracted from green plants and used as a coloring agent or deodorant

— chlo·ro·phyl·lous \ˌklȯr-ə-ˈfi-ləs\ adjective

Origin of CHLOROPHYLL

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

First Known Use: 1819

Rhymes with CHLOROPHYLL

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