oil ringn.

Brit.

/ˈɔɪl rɪŋ/, U.S.

/ˈɔɪl ˌrɪŋ/

Origin: Formed within English, by compounding. Etymons: oil n.¹, ring n.¹

Etymology: < oil n.¹ + ring n.¹

1. Engineering. A ring or chain which dips into an oil reservoir and continuously lubricates a shaft or bearing around which it revolves. Also: a piston ring serving to prevent leakage of lubricants from the cylinder.

ΘΚΠ

society > occupation and work > equipment > machine > parts of machines > other parts > [noun] > lubricators

oil ring1830

grease-cock1839

grease cup1839

needle lubricator1873

oleojector1884

ring oiler1890

1830 Engineering 9 May 595/2 The motors are of the oil-ring lubricated-bearing type.

1900 Mod. Catal. Electr. Co. Dissected Dynamo..Oil cock, Oil hole cover, Journal box, Oil ring.

1957 Science 6 Dec. 1202 (advt.) Pyrex glass barrel—Readily enables inspection of oil rings and internal operating conditions.

1983 Truck & Bus Transportation July 46/1 Tension on the oil ring expander has been decreased from 53–76 newtons (12-17 lbf) to 46-62 newtons (9-14 lbf).

2000 JSAE Rev. (Electronic ed.) 21 21 The subject of reducing the tangential tension..of 3-piece oil rings for gasoline engines was analyzed.

2. In seal-engraving: a ring with a small dish attached, worn on the engraver's forefinger, and designed to keep the engraving-tool consistently supplied with an abrasive paste of oil and diamond powder (see quot.).

ΘΚΠ

society > leisure > the arts > visual arts > plastic art > sculpture or carving > incising or intaglio > [noun] > equipment

platea1400

penc1400

pointel1561

pointrel1659

spade1850

oil ring1902

1902 N.E.D. Oil-ring, In Seal-engraving, a ring with a small dish on top to hold a mixture of oil and diamond-dust: it is worn on the forefinger of the workman, and the wheel is allowed to rotate in the dish to replenish the engraving-tool.

This entry has been updated (OED Third Edition, March 2004; most recently modified version published online March 2022).

单词	oil ring
释义	oil ringn. Brit. /ˈɔɪl rɪŋ/, U.S. /ˈɔɪl ˌrɪŋ/ Origin: Formed within English, by compounding. Etymons: oil n.¹, ring n.¹ Etymology: < oil n.¹ + ring n.¹ 1. Engineering. A ring or chain which dips into an oil reservoir and continuously lubricates a shaft or bearing around which it revolves. Also: a piston ring serving to prevent leakage of lubricants from the cylinder. ΘΚΠ society > occupation and work > equipment > machine > parts of machines > other parts > [noun] > lubricators oil ring1830 grease-cock1839 grease cup1839 needle lubricator1873 oleojector1884 ring oiler1890 1830 Engineering 9 May 595/2 The motors are of the oil-ring lubricated-bearing type. 1900 Mod. Catal. Electr. Co. Dissected Dynamo..Oil cock, Oil hole cover, Journal box, Oil ring. 1957 Science 6 Dec. 1202 (advt.) Pyrex glass barrel—Readily enables inspection of oil rings and internal operating conditions. 1983 Truck & Bus Transportation July 46/1 Tension on the oil ring expander has been decreased from 53–76 newtons (12-17 lbf) to 46-62 newtons (9-14 lbf). 2000 JSAE Rev. (Electronic ed.) 21 21 The subject of reducing the tangential tension..of 3-piece oil rings for gasoline engines was analyzed. 2. In seal-engraving: a ring with a small dish attached, worn on the engraver's forefinger, and designed to keep the engraving-tool consistently supplied with an abrasive paste of oil and diamond powder (see quot.). ΘΚΠ society > leisure > the arts > visual arts > plastic art > sculpture or carving > incising or intaglio > [noun] > equipment platea1400 penc1400 pointel1561 pointrel1659 spade1850 oil ring1902 1902 N.E.D. Oil-ring, In Seal-engraving, a ring with a small dish on top to hold a mixture of oil and diamond-dust: it is worn on the forefinger of the workman, and the wheel is allowed to rotate in the dish to replenish the engraving-tool. This entry has been updated (OED Third Edition, March 2004; most recently modified version published online March 2022). < n.1830
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