megaripple
名词 n.
英 /ˈmɛɡəˈɹɪp(ə)l/
美 /ˈmɛɡəˈɹɪp(ə)l/
英文释义
名词 n.
-
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
词源
From mega- + ripple.
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数据来源: Wiktionary