fū
used in transliteration, e.g. 呋喃[fu1 nan2], furan or 呋喃西林[fu1 nan2 xi1 lin2], furacilinum
old variant of 趺[fu1]
呋喃
fū nán
furan (furfuran, used in making nylon) (loanword)
呋喃西林
fū nán xī lín
furacilinum (loanword)
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