achenial

achene

[ey-keen, uh-keen]
noun Botany.
any small, dry, hard, one-seeded, indehiscent fruit.
Also, akene.


Origin:
1835–45; < Neo-Latin achaenium, equivalent to a- a-6 + Greek chain- (stem of chaínein to gape) + Latin -ium -ium

achenial [ey-kee-nee-uhl, uh-kee-] , adjective
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World English Dictionary
achene or akene (əˈkiːn)
 
n
a dry one-seeded indehiscent fruit with the seed distinct from the fruit wall. It may be smooth, as in the buttercup, or feathery, as in clematis
 
[C19: from New Latin achaenium that which does not yawn or open, from a-1 + Greek khainein to yawn]
 
akene or akene
 
n
 
[C19: from New Latin achaenium that which does not yawn or open, from a-1 + Greek khainein to yawn]
 
a'chenial or akene
 
adj
 
a'kenial or akene
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Science Dictionary
achene also akene   (ā-kēn')  Pronunciation Key 
A small, dry, one-seeded fruit in which the seed sits free inside the hollow fruit, attached only by the stem of the ovule. Achenes are indehiscent (they do not split open when ripe). The fruits of the sunflower and elm are achenes.
The American Heritage® Science Dictionary
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