achene

• achaenium, achenium
• (alternative spelling) akene

From French achène and its source, New Latin achena, from Ancient Greek ἀ- (a-, “a-”) + χαίνω (khaínō, “to gape”).

• (UK) IPA^(key): /əˈkiːn/

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• Rhymes: -iːn

achene (plural achenes)

1. (botany) A small, dry, indehiscent fruit, containing a single seed, as in the buttercup.
   • 2018, Richard Powers, The Overstory, Vintage (2019), page 37:

     The mulberry puts forth its messy clusters of achenes.

Early botanists referred to achenes as naked seeds.

• “achene”, in The Century Dictionary […], New York, N.Y.: The Century Co., 1911, →OCLC.
• achene at OneLook Dictionary Search

• Cheena