perfluoroalkyl
名词 n.
英文释义
名词 n.
-
Any perfluoro derivative of an alkyl group.
— Perfluoroalkyl and polyfluoroalkyl substances (PFASs) have been manufactured since the 1950s for use as surface protectants for textiles and leather treatment, as protection additives in food packaging and paper products, and in firefighting foams.
词源
Etymology tree
Proto-Indo-European *per-
Proto-Italic *per
Latin perbor.
Proto-Indo-European *per-der.
Proto-Italic *peri-
Latin per-bor.
English per-
Proto-Indo-European *bʰel-der.
Proto-Indo-European *bʰlewH-der.
Proto-Indo-European *bʰluH-yé-ti?
Latin fluō
Proto-Indo-European *-os
Proto-Indo-European *-s
Proto-Indo-European *-ōs
Proto-Italic *-ōs
Latin -or
Latin fluor
Ancient Greek -ο- (-o-)der.
Latin -o-bor.
English -o-
English fluoro-
English perfluoro-
Akkadian 𒎎𒋆𒁉𒍣𒁕 (guḫlum)bor.
Aramaic כוחלא (kuḥlā)bor.
Arabic كُحْل (kuḥl)
Andalusian Arabic اَلْكُحُول (al-kuḥūl)bor.
Medieval Latin alcoholder.
Middle English alcofol
English alc(ohol)
Proto-Indo-European *swel-der.?
Ancient Greek ῡ̔́λη (hū́lē)der.
Frenchder.
English -yl
English alkyl
English perfluoroalkyl
From perfluoro- + alkyl.
Proto-Indo-European *per-
Proto-Italic *per
Latin perbor.
Proto-Indo-European *per-der.
Proto-Italic *peri-
Latin per-bor.
English per-
Proto-Indo-European *bʰel-der.
Proto-Indo-European *bʰlewH-der.
Proto-Indo-European *bʰluH-yé-ti?
Latin fluō
Proto-Indo-European *-os
Proto-Indo-European *-s
Proto-Indo-European *-ōs
Proto-Italic *-ōs
Latin -or
Latin fluor
Ancient Greek -ο- (-o-)der.
Latin -o-bor.
English -o-
English fluoro-
English perfluoro-
Akkadian 𒎎𒋆𒁉𒍣𒁕 (guḫlum)bor.
Aramaic כוחלא (kuḥlā)bor.
Arabic كُحْل (kuḥl)
Andalusian Arabic اَلْكُحُول (al-kuḥūl)bor.
Medieval Latin alcoholder.
Middle English alcofol
English alc(ohol)
Proto-Indo-European *swel-der.?
Ancient Greek ῡ̔́λη (hū́lē)der.
Frenchder.
English -yl
English alkyl
English perfluoroalkyl
From perfluoro- + alkyl.
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