tripinnate

[ trahy-pin-eyt ]

adjective

, Botany.

1. bipinnate, as a leaf, with the divisions also pinnate.

tripinnate

/ -eɪt; traɪˈpɪnɪt /

adjective

1. (of a bipinnate leaf) having the pinnules themselves pinnate

Derived Forms

• triˈpinnately, adverb

Other Words From

• tri·pin·nate·ly adverb

Word History and Origins

Origin of tripinnate¹

First recorded in 1750–60; tri- + pinnate

Example Sentences

When these leaflets are again divided in the same way, the leaf becomes thrice pinnate, or tripinnate, as in many Acacias.

From Project Gutenberg

A more highly developed form of the typical plant, the lower pinnæ being often very broad, and the fronds tripinnate.

From Project Gutenberg

Fronds eight to eighteen inches long, lanceolate-oblong, tripinnate.

From Project Gutenberg

Pinnule, a secondary division of a bipinnate or tripinnate leaf, 66.

From Project Gutenberg

Pinna, a primary division with its leaflets of a bipinnate or tripinnate leaf.

From Project Gutenberg