megaripple

名词 n.
/ˈmɛɡəˈɹɪp(ə)l/    /ˈmɛɡəˈɹɪp(ə)l/

英文释义

名词 n.
  1. A giant ripple, typically of sand exposed to tidal action.
    — Generally these undulations are less than 1 meter long. Van Straaten (1953, p. 1—2) used the term megaripple for ripple marks with wave lengths (fig. 4-13) greater than 1 meter.

词形变化

megaripples plural

词源

From mega- + ripple.
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