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View synonyms for achene
achene
or a·kene
[ ey-keen, uh-keen ]
noun
, Botany.
- any small, dry, hard, one-seeded, indehiscent fruit.
achene
/ əˈkiːn /
noun
- 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
achene
/ ā-kēn′ /
- 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.
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Derived Forms
- aˈchenial, adjective
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Other Words From
- a·che·ni·al [ey-, kee, -nee-, uh, l, uh, -, kee, -], adjective
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Word History and Origins
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Word History and Origins
Origin of achene1
C19: from New Latin achaenium that which does not yawn or open, from a- 1+ Greek khainein to yawn
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Example Sentences
Fruit a circumscissile 2-celled capsule, with one or more peltate seeds in each cell, or an achene.
From Project Gutenberg
Ovary 1-celled with a suspended ovule, becoming an achene; calyx none; aquatic herbs, with finely dissected whorled leaves.
From Project Gutenberg
Achene (commonly solitary) enclosed in the 4-angled dry and thickish closed calyx-tube.
From Project Gutenberg
Ovary with a single cell and ovule, tipped with a long laterally stigmatic style, maturing as an achene.
From Project Gutenberg
Achene obtusely triangular, partly 3-celled, enclosed in the indurated calyx.
From Project Gutenberg
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