bipinnate

[ bahy-pin-eyt ]

/ baɪˈpɪn eɪt /

adjective Botany.

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

Nearby words

biphasic pill, biphenotypy, biphenyl, biphetamine, bipinnaria, bipinnate, biplane, bipod, bipolar, bipolar cautery, bipolar cell

Origin of bipinnate

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

Related forms

bi·pin·nate·ly, adverb

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

Examples from the Web for bipinnate

In all botanical works the fronds are incorrectly said to be bipinnate.
An Elementary Text-book of the Microscope|John William Griffith
These appendages in the Zoantharia never present the bipinnate arrangement which is observable in the Alcyonaria.
The Ocean World:|Louis Figuier
Pinnule, a secondary division of a bipinnate or tripinnate leaf, 66.
The Elements of Botany|Asa Gray
Name said to be formed from bipinnula, referring to the bipinnate leaves.
The Manual of the Botany of the Northern United States|Asa Gray

Fronds smooth, two to ten inches long, lanceolate, bipinnate.
The Fern Lover's Companion|George Henry Tilton

British Dictionary definitions for bipinnate

bipinnate

/ (baɪˈpɪnˌeɪt) /

adjective

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

Derived Forms

bipinnately, 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

Science definitions for bipinnate

bipinnate

[ bī-pĭn′āt′ ]

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.