tripinnate

[ trahy-pin-eyt ]
/ traɪˈpɪn eɪt /
|

adjective Botany.

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

Nearby words

  1. triphosphoric acid,
  2. triphthong,
  3. triphyline,
  4. triphylite,
  5. triphyllous,
  6. tripitaka,
  7. triplane,
  8. triple,
  9. triple a,
  10. triple alliance

Often tri·pin·nat·ed.

Origin of tripinnate

First recorded in 1750–60; tri- + pinnate

Related formstri·pin·nate·ly, adverb

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for tripinnate

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

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

    The Fern Lover's Companion|George Henry Tilton
  • 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.



British Dictionary definitions for tripinnate

tripinnate

/ (traɪˈpɪnɪt, -eɪt) /

adjective

(of a bipinnate leaf) having the pinnules themselves pinnate
Derived Formstripinnately, adverb

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012