† phthoren.

Forms: 1800s phthor, 1800s phthore, 1800s phtor.

Origin: A borrowing from French. Etymon: French phthore.

Etymology: < French phthore (1819 or earlier as phtore ) < ancient Greek ϕθορά destruction < an ablaut variant of the base of ϕθείρειν to destroy, to corrupt: see phthartic adj.), so called on account of the corrosive action of hydrofluoric acid.French phthore is attributed to A. M. Ampère (1775–1836).

Chemistry. Obsolete. rare.

Fluorine. Cf. phthorine n.

ΘΚΠ

the world > matter > chemistry > elements and compounds > metals > specific elements > fluorine > [noun]

fluorine1813

phthore1858

phthorine1858

1858 R. G. Mayne Expos. Lexicon Med. Sci. (1860) 951/2 Phthore.

1890 Webster's Internat. Dict. Eng. Lang. Phtor,..fluorine. (Written also phthor.) [Also in later dictionaries.]

Derivatives

† phthoric adj. [compare French phthorique (1819 or earlier as phtorique ); R. G. Mayne (see quot. 1858) gives also a Latin form phthoricus] Obsolete fluoric.

ΘΚΠ

the world > matter > chemistry > chemical substances > acids > [adjective] > of or relating to named acids > containing fluorine

phthoric1858

1858 R. G. Mayne Expos. Lexicon Med. Sci. (1860) Phthoricus..applied by Guibourt to..binary compounds, in which..fluor, or fluorine, performs the part of a negative element: phthoric.

This entry has been updated (OED Third Edition, March 2006; most recently modified version published online December 2020).

单词	phthore
释义	† phthoren. Forms: 1800s phthor, 1800s phthore, 1800s phtor. Origin: A borrowing from French. Etymon: French phthore. Etymology: < French phthore (1819 or earlier as phtore ) < ancient Greek ϕθορά destruction < an ablaut variant of the base of ϕθείρειν to destroy, to corrupt: see phthartic adj.), so called on account of the corrosive action of hydrofluoric acid.French phthore is attributed to A. M. Ampère (1775–1836). Chemistry. Obsolete. rare. Fluorine. Cf. phthorine n. ΘΚΠ the world > matter > chemistry > elements and compounds > metals > specific elements > fluorine > [noun] fluorine1813 phthore1858 phthorine1858 1858 R. G. Mayne Expos. Lexicon Med. Sci. (1860) 951/2 Phthore. 1890 Webster's Internat. Dict. Eng. Lang. Phtor,..fluorine. (Written also phthor.) [Also in later dictionaries.] Derivatives † phthoric adj. [compare French phthorique (1819 or earlier as phtorique ); R. G. Mayne (see quot. 1858) gives also a Latin form phthoricus] Obsolete fluoric. ΘΚΠ the world > matter > chemistry > chemical substances > acids > [adjective] > of or relating to named acids > containing fluorine phthoric1858 1858 R. G. Mayne Expos. Lexicon Med. Sci. (1860) Phthoricus..applied by Guibourt to..binary compounds, in which..fluor, or fluorine, performs the part of a negative element: phthoric. This entry has been updated (OED Third Edition, March 2006; most recently modified version published online December 2020). < n.1858
随便看	full bird full bird colonel full blast full bleed full board full bore full bullet full center full centre full character full chisel full choke full choral service full circle full cock full colonel full committal full count full cousin full cry full disclosure full dress full drive full due full duplex