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Webster 1913 Edition

Adj.

[

Tetra-

petal

(Bot.)

Containing four distinct petals, or flower leaves;

as, a

tetrapetalous

corolla

Adj.

[Gr. four, and leaf.] In botany, containing four distinct petals or flower leaves; as a tetrapetalous corol.

tetrapetalous ‎(not comparable)