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tricotyledonous

[trahy-kot-l-eed-n-uhs, trahy-kot-]

adjective Botany.

having three cotyledons.

Origin:
1820–30; tri- + cotyledon + -ous

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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Tricotyledonous is always a great word to know.

So is chlorophyll. Does it mean:

green coloring of leaves and plants needed for photosynthesis

plants with the vascular tissues xylem and phloem for transporting water and nutrients

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