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epiphragm

[ ep-uh-fram ]

noun

  1. a calcified or membranous septum produced by certain land snails during hibernation and functioning to cover the shell opening and prevent desiccation.
  2. Botany. a membrane enclosing the capsule in certain mosses.


epiphragm

/ ˈɛpɪˌfræm /

noun

  1. a disc of calcium phosphate and mucilage secreted by snails over the aperture of their shells before hibernation
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


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Other Words From

  • ep·i·phrag·mal [ep-, uh, -, frag, -m, uh, l], adjective
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Word History and Origins

Origin of epiphragm1

1820–30; < Greek epíphragma covering, lid, equivalent to epi- epi- + phrágma fence
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Word History and Origins

Origin of epiphragm1

C19: via New Latin from Greek epiphragma a lid, from epiphrassein, from epi- + phrassein to place in an enclosure

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