英语词汇buoyancy的起源、历史背景-英语词源词典

词汇	buoyancy
词源	buoyancy n. 1713, "relative lightness, quality of floating on water or other liquid," from buoyant + -cy. The figurative sense "cheerfulness, hopefulness" (of spirits, etc.) is from 1819. The meaning "power of supporting a body so that it floats" is from 1831. Entries linking to buoyancy buoyant adj. "having the quality of rising or floating in a liquid," 1570s, perhaps from Spanish boyante, present participle of boyar "to float," from boya "buoy," from Dutch boei (see buoy (n.)). Of personalities, etc., from c. 1748. Related: Buoyantly. -cy abstract noun suffix of quality or rank, from Latin -cia, -tia, from Greek -kia, -tia, from abstract ending -ia (see -ia) + stem ending -c- or -t-. The native correspondents are -ship, -hood. buoyance n. "buoyancy," 1806, from buoyant + -ance. The more usual word is buoyancy. updated on October 25, 2022
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buoyancy n.