costeaningn.

Brit.

/kɒˈstiːnɪŋ/, U.S.

/kɔˈstinɪŋ/,

/kɑˈstinɪŋ/

Forms: see costean n. and -ing suffix¹; also 1800s costening.

Origin: Formed within English, by derivation. Etymons: costean n., -ing suffix¹.

Etymology: < costean n. + -ing suffix¹. Compare later costean v.

Originally Cornwall. Mining.

The process of sinking a costean.

ΘΚΠ

society > occupation and work > industry > mining > [noun] > other specific mining processes

gadding1753

costeaning1778

refinement1815

rope boring1852

piping1869

chlorination1875

opencasting1886

resue1903

resuing1905

biomining1982

1778 W. Pryce Mineralogia Cornubiensis iii. i. 124 Another way of discovering Lodes is by sinking little pits through the loose ground, down to the fast or solid country...This way of seeking, the Tinners call Costeening, from Cothas Stean; that is, fallen or dropt tin.

1839 Cornwall Royal Gaz. 1 Feb. 4/7 There might have been half a score costeaning pits.

1850 D. T. Ansted Elem. Course Geol. 500 Where their actual presence is doubtful..a series of experiments called in Cornwall ‘costeaning’, is undertaken with the view of discovering the presence of a vein.

1880 M. A. Courtney W. Cornwall Words in M. A. Courtney & T. Q. Couch Gloss. Words Cornwall 14/2 Costeening, a mining term; examining the back of a lode..by digging pits.

1935 Scotsman 29 Jan. 5/2 Costeening—350 feet north-east. No. 1 shaft shows four parallel reefs.

1982 Mining Jrnl. (Nexis) 19 Mar. 215 A further surface programme is also underway to determine the perimeter of the mineralisation—this has been involving both drilling and costeaning.

2008 Kalgoorlie (W. Austral.) Miner 16 Oct. 4 Geologists undertook a field-based review of the Broads Dam tenements, examining sites of previous drilling and costeaning.

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

单词	costeaning
释义	costeaningn. Brit. /kɒˈstiːnɪŋ/, U.S. /kɔˈstinɪŋ/, /kɑˈstinɪŋ/ Forms: see costean n. and -ing suffix¹; also 1800s costening. Origin: Formed within English, by derivation. Etymons: costean n., -ing suffix¹. Etymology: < costean n. + -ing suffix¹. Compare later costean v. Originally Cornwall. Mining. The process of sinking a costean. ΘΚΠ society > occupation and work > industry > mining > [noun] > other specific mining processes gadding1753 costeaning1778 refinement1815 rope boring1852 piping1869 chlorination1875 opencasting1886 resue1903 resuing1905 biomining1982 1778 W. Pryce Mineralogia Cornubiensis iii. i. 124 Another way of discovering Lodes is by sinking little pits through the loose ground, down to the fast or solid country...This way of seeking, the Tinners call Costeening, from Cothas Stean; that is, fallen or dropt tin. 1839 Cornwall Royal Gaz. 1 Feb. 4/7 There might have been half a score costeaning pits. 1850 D. T. Ansted Elem. Course Geol. 500 Where their actual presence is doubtful..a series of experiments called in Cornwall ‘costeaning’, is undertaken with the view of discovering the presence of a vein. 1880 M. A. Courtney W. Cornwall Words in M. A. Courtney & T. Q. Couch Gloss. Words Cornwall 14/2 Costeening, a mining term; examining the back of a lode..by digging pits. 1935 Scotsman 29 Jan. 5/2 Costeening—350 feet north-east. No. 1 shaft shows four parallel reefs. 1982 Mining Jrnl. (Nexis) 19 Mar. 215 A further surface programme is also underway to determine the perimeter of the mineralisation—this has been involving both drilling and costeaning. 2008 Kalgoorlie (W. Austral.) Miner 16 Oct. 4 Geologists undertook a field-based review of the Broads Dam tenements, examining sites of previous drilling and costeaning. This entry has been updated (OED Third Edition, September 2016; most recently modified version published online March 2022). < n.1778
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