Tripinnate is a 10 letter English word. It's valid Words with friends word worth 15 points.
You can make 422 anagrams from letters in tripinnate (aeiinnprtt).
First recorded in 1750-60; tri- + pinnate
Pinna, a primary division with its leaflets of a bipinnate or tripinnate leaf.
When these leaflets are again divided in the same way, the leaf becomes thrice pinnate, or tripinnate, as in many Acacias.
Fronds eight to eighteen inches long, lanceolate-oblong, tripinnate.
Pinnule, a secondary division of a bipinnate or tripinnate leaf, 66.
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