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bipinnate

American  
[bahy-pin-eyt] / baɪˈpɪn eɪt /

adjective

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


bipinnate British  
/ baɪˈpɪnˌeɪt /

adjective

  1. (of pinnate leaves) having the leaflets themselves divided into smaller leaflets

"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

bipinnate Scientific  
/ bī-pĭnāt′ /
  1. Relating to compound leaves that grow opposite each other on a larger stem; twice-compound or twice-pinnate. Bipinnate leaves have a feathery appearance. The acacia, coffeetree, and silktree have bipinnate leaves.


Other Word Forms

Etymology

Origin of bipinnate

From the New Latin word bipinnātus, dating back to 1785–95; see bi- 1, pinnate

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

“There were two options: You move the house, or the tree dies,” says Duprat, 69, on a temperate afternoon this past August, standing beneath its delicate bipinnate leaves.

From New York Times Mar. 22, 2024

Fronds one to three feet high, minutely glandular and hairy, ovate-lanceolate, pale green, very thin and mostly bipinnate.

From The Fern Lover's Companion A Guide for the Northeastern States and Canada by Tilton, George Henry

What a world of beauty in this bipinnate frond!

From Heart and Science A Story of the Present Time by Collins, Wilkie

The fertile fronds shorter, closely bipinnate with the pinnules rolled up into berry-like structures which contain the spore cases.

From The Fern Lover's Companion A Guide for the Northeastern States and Canada by Tilton, George Henry

Pod flat, oblong, often falcate, few–several-seeded.—Low perennial herbs, or woody at base, punctate with black glands, with bipinnate leaves, and naked racemes of yellow flowers opposite the leaves or terminal.

From The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee by Gray, Asa

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