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pinnule

Definition:

a division of a usually pinnately divided leaf

Class:

plant noun (plants and fungi)

Plural:

pinnules

Original source:

Princeton WordNet

Synonyms:

pinna | pinnula

Etymology:

(denoting one of the sights of an astrolabe): from Latin pinnula "small wing",...
(Source: Oxford Dictionary)  [more]

Definition references

Collins Dictionary:

pinnule | pinnula | pinnular [adjective, derived]

any of the lobes of a leaflet of a pinnate compound leaf, which is itself pinnately divided | [zoology] any feather-like part, such as any of the arms ... (27 of 213 words, 2 definitions, pronunciations)

www​.collinsdictionary​.com​/dictionary​/english​/pinnule

Oxford Dictionary:

pinnule

Syllabification: (pin┬Ěnule) | [botany] | a secondary division of a pinnate leaf, especially of a fern. | [zoology] : a part or organ like a small wing ... (24 of 73 words, 4 definitions, pronunciation)

oxforddictionaries​.com​/definition​/american english​/pinnule

pinnule [botany]

a secondary division of a pinnate leaf, especially of a fern. | [zoology] : a part or organ like a small wing or fin, especially a side branch on the ... (29 of 70 words, 2 definitions, pronunciation)

oxforddictionaries​.com​/definition​/english​/pinnule

American Heritage Dictionary:

pinnule | pinnules [plural] | pinnulae [plural] | pinnula [sense-specific] | pinnular [adjective, related]

[botany] Any of the ultimate leaflets of a bipinnately compound leaf. | [zoology] A featherlike or plumelike organ or part, such as a small fin, or ... (25 of 58 words, 2 definitions, pronunciations)

www​.yourdictionary​.com​/pinnule

Random House Dictionary:

pinnule

[zoology] ; a part or organ resembling a barb of a feather, a fin, or the like. ; a finlet. | [botany] a secondary pinna, one of the pinnately ... (28 of 57 words, 3 definitions, pronunciation)

dictionary​.infoplease​.com​/pinnule

New World Dictionary:

pinnule | pinnulate [related]

any of the smallest divisions of a leaf which is doubly compound, especially in ferns | any of the lateral branches of the arm of a crinoid (26 of 46 words, 2 definitions, pronunciations)

www​.yourdictionary​.com​/pinnule

Merriam-Webster:

pinnule

any of the secondary branches of a plumose organ especially of a crinoid | one of the ultimate divisions of a twice pinnate leaf (23 of 44 words, 2 definitions, pronunciation)

www​.merriam-webster​.com​/dictionary​/pinnule

Wiktionary:

pinnule [botany] | pinnules [plural]

Any of the ultimate leaflets of a bipinnate or tripinnate leaf; a subleaflet. (13 of 15 words)

en​.wiktionary​.org​/wiki​/pinnule

Wikipedia:

Pinna [disambiguation]

can refer to: Pinna (anatomy), the outer part of the ear - also referred to as the auricle | Pinna (genus), a genus of bivalve molluscs also known as "pen shells" | In botany the pinnae are the divisions of a compound frond, analogous to the leaflets... (45 of 133 words, 7 definitions)

en​.wikipedia​.org​/wiki​/Pinna

Macmillan British Dictionary:

pinna [countable, medical] | pinnas [plural] | pinnae [plural]

the part of your ear that is on the outside of your head (13 of 41 words, pronunciation)

www​.macmillandictionary​.com​/dictionary​/british​/pinna

Cambridge Dictionary:

leaflet [entry 1]

a piece of paper which gives you information or advertises something (11 of 32 words, 2 usage examples, pronunciation)

dictionary​.cambridge​.org​/dictionary​/british​/leaflet 1

leaflet [entry 2, British] | -t- [past tense] | -tt- [past tense]

to give out leaflets to people (6 of 26 words, 1 usage example, pronunciation)

dictionary​.cambridge​.org​/dictionary​/british​/leaflet 2

Encarta Dictionary:

pinnule | pinnules [plural] | pinnula: pinnulae [plural] | pinnulae [plural] | pinnula

a small fin or fin-shaped part of an organ or organism | a small division or lobe of a leaf that has a central axis with parts branching off it (29 of 72 words, 2 definitions, pronunciations)

encarta​.msn​.com​/dictionary 1861726352​/definition​.html  [offline]

Etymology references

Oxford Dictionary:

pinnule

First use: late 16th century

Origin: (denoting one of the sights of an astrolabe): from Latin pinnula "small wing", diminutive of pinna

oxforddictionaries​.com​/definition​/american english​/pinnule

New World Dictionary:

pinnule

Origin: Modern Latin pinnula from Latin, diminutive of pinna, wing, feather: see "pen"

www​.yourdictionary​.com​/pinnule

American Heritage Dictionary:

pinnule | pinnules [plural] | pinnulae [plural]

Origin: Latin pinnula, diminutive of pinna, feather; see pet- in Indo-European roots.

www​.yourdictionary​.com​/pinnule

Collins Dictionary:

pinnule | pinnula

First use: 16th century

Origin: from Latin pinnula, diminutive of pinna feather

www​.collinsdictionary​.com​/dictionary​/english​/pinnule

Merriam-Webster:

pinnule

First use: 1748

Origin: New Latin pinnula, from Latin, diminutive of pinna

www​.merriam-webster​.com​/dictionary​/pinnule

Encarta Dictionary:

pinnule | pinnules [plural] | pinnula: pinnulae [plural] | pinnulae [plural]

First use: Late 16th century

Origin: Latin pinnula "little feather" from pinna "feather"

encarta​.msn​.com​/dictionary 1861726352​/definition​.html  [offline]

Audio references

Collins Dictionary:

pinnule | pinnula

Audio: British English pronunciation of "pinnule"

www​.collinsdictionary​.com​/dictionary​/english​/pinnule

pinnula | pinnule

Audio: British English pronunciation of "pinnula"

www​.collinsdictionary​.com​/dictionary​/english​/pinnula

the Free Dictionary:

pinnule

Audio 1: North American English pronunciation of "pinnule"

Audio 2: British English pronunciation of "pinnule"

Audio 3: North American English pronunciation of "pinnule" by speech synthesizer

www​.thefreedictionary​.com​/pinnule

Pinnula

Audio 1: North American English pronunciation of "Pinnula"

Audio 2: British English pronunciation of "Pinnula"

www​.thefreedictionary​.com​/Pinnula

Merriam-Webster Pronunciation:

pinnule

Audio: North American pronunciation of "pinnule"

www​.merriam-webster​.com​/audio​.php file=pinnul​01 word=pinnule

YourDictionary Audio:

pinnule

Audio: North American English pronunciation of "pinnule" by speech synthesizer

www​.yourdictionary​.com​/pinnule

Page last updated: 2013-06-26

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