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单词 discoidal
释义 dis·coi·dal
I. \də̇ˈskȯidəl, ˈdiˌs-\ adjective
Etymology: Late Latin discoides + English -al
: of, like, or producing a disk
 < discoidal cleavage >
 < a discoidal sponge >
as
 a. of a gastropod shell : having the whorls form a flat coil
  < snails of the genus Planorbis are discoidal >
 b. : having the villi restricted to one or more disklike areas
  < most insectivores, bats, rodents, and primates have discoidal placentas >
  — see metadiscoidal
II. noun
(-s)
: a disk-shaped stone artifact found in No. America that was probably used by the Indians in games
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更新时间:2025/2/16 3:32:22