filonn.

Brit.

/ˈfiːlɒ̃/, U.S.

/ˈfilɑn/

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

Etymology: < French filon vein, lode (1562 in Middle French) < fil thread (see file n.²) + -on (see -oon suffix).Not fully naturalized in English. N.E.D. (1896) gives the pronunciation as (filoṅ) /filɔ̃/.

Mining. Now rare.

A vein of a mineral or metal, a lode; (in later use) spec. a vein that has formed in a fracture of a pre-existing body of rock (= dike n.¹ 9b).

ΘΚΠ

the world > the earth > minerals > mineral deposits > [noun] > vein > vein of ore

riba1500

lode1602

run1747

ore streak1755

streak vein1789

lead1814

filon1817

ore vein1830

ore-channel1864

chamber1865

range1866

ore band1874

1817 Amer. Reg. 1 442/1 The eurite..does not shoot out in filons.

1863 Cambrian Jrnl. Autumn 149 The collaterals cross the main filon in angles of incidence.

1970 N.Z. Jrnl. Geol. & Geophysics 13 171 The filons..suffered later shearing and metamorphism.

This entry has been updated (OED Third Edition, September 2016; most recently modified version published online March 2022).

单词	filon
释义	filonn. Brit. /ˈfiːlɒ̃/, U.S. /ˈfilɑn/ Origin: A borrowing from French. Etymon: French filon. Etymology: < French filon vein, lode (1562 in Middle French) < fil thread (see file n.²) + -on (see -oon suffix).Not fully naturalized in English. N.E.D. (1896) gives the pronunciation as (filoṅ) /filɔ̃/. Mining. Now rare. A vein of a mineral or metal, a lode; (in later use) spec. a vein that has formed in a fracture of a pre-existing body of rock (= dike n.¹ 9b). ΘΚΠ the world > the earth > minerals > mineral deposits > [noun] > vein > vein of ore riba1500 lode1602 run1747 ore streak1755 streak vein1789 lead1814 filon1817 ore vein1830 ore-channel1864 chamber1865 range1866 ore band1874 1817 Amer. Reg. 1 442/1 The eurite..does not shoot out in filons. 1863 Cambrian Jrnl. Autumn 149 The collaterals cross the main filon in angles of incidence. 1970 N.Z. Jrnl. Geol. & Geophysics 13 171 The filons..suffered later shearing and metamorphism. This entry has been updated (OED Third Edition, September 2016; most recently modified version published online March 2022). < n.1817
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