chlorophyll chlorophyl • chlorophyllaceous · · · Info · Definitions · Synonyms · Characters · · chlorophyll · · Text Latin · · Script 11 · · Length Definitions · · · (noun) any of a group of green pigments found in photosynthetic organisms; there are four naturally occurring forms. Synonyms: chlorophyl. · · Noun Definition 1 Synonyms · · · chlorophyl · · Synonym 1 Characters · · c latin small letter c U+0063 h latin small letter h U+0068 l latin small letter l U+006C o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 y latin small letter y U+0079