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Definition of Pinnule
1. Noun. Division of a usually pinnately divided leaf.
Definition of Pinnule
1. n. One of the small divisions of a decompound frond or leaf. See Illust. of Bipinnate leaf, under Bipinnate.
Definition of Pinnule
1. Noun. (botany) Any of the ultimate leaflets of a bipinnate or tripinnate leaf; a subleaflet. ¹
¹ Source: wiktionary.com
Definition of Pinnule
1. a pinnate part or organ [n -S]
Medical Definition of Pinnule
1. A leaflet of a bipinnate leaf. (09 Oct 1997)
Lexicographical Neighbors of Pinnule
Literary usage of Pinnule
Below you will find example usage of this term as found in modern and/or classical literature:
1. Science by American Association for the Advancement of Science (1883)
"A thread connected one gill pinnule to a force transducer, and the amplitude of
the pinnule movements, in response to water drops, was recorded on a ..."
2. The Fossil Plants of the Devonian and Upper Silurian Formations of Canada by Geological Survey of Canada, John William Dawson (1871)
"170. pinnule Archaeopteris Halliana. 171. pinnule ... Portion of a large pinnule
split at the margin. 193 Portion of a pinnule, apex. 194. ..."
3. Geological Magazine by Henry Woodward (1906)
"... did not exceed 1 cm., and the point has been restored in dotted lines in the
figure. At the point in the figure marked by a ° the pinnule of a fern, ..."
4. Manual of the Botany of the Northern United Statesby Asa Gray by Asa Gray (1859)
"(1) ; portion of a pinnule (I), enlarged ; and a fruit-dot In Its ... L.; front
view of a fruiting contracted pinnule, enlarged (1) ; and the some laid open ..."
5. Hooker's Journal of Botany and Kew Garden Miscellany by William Jackson Hooker (1856)
"pinnule, upper side, with fructifications, magnified. 3. pinnule, showing a few
sori, which have occasionally been seen on the under side, magnified. 4. ..."
6. The Ferns and Fern Allies of New Zealand: With Instructions for Their by George Malcolm Thomson (1882)
"b, portion of frond of G. circinata (nat. size). Fig. 2. Cyathea dealbata,
pinnule (nat. size); a, portion of same (mag.); b, empty involucre (mag.) Fig. 3. ..."
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