light roomn.

Brit.

/ˈlʌɪt ruːm/,

/ˈlʌɪt rʊm/, U.S.

/ˈlaɪt ˌrum/,

/ˈlaɪt ˌrʊm/

Origin: Formed within English, by compounding. Etymons: light n.¹, room n.¹

Etymology: < light n.¹ + room n.¹

1. Nautical. A small room or compartment adjoining the magazine in a warship, having thick glass windows behind which lights may be placed in order to illuminate the magazine while preventing the risk of explosion. Now historical.

ΘΚΠ

society > travel > travel by water > vessel, ship, or boat > buoys, marks, or lighthouses > [noun] > object on land or sea as guide > light beacon or lighthouse > room containing

light room1731

lantern1796

1731 Regulations & Instr. relating to His Majesty's Service at Sea (Royal Navy) ii. 25 He is to keep a Centinel constantly posted at the Scuttles leading down into the Boatswain's, Gunner's, and Carpenter's Store-Rooms, (as also into the Powder Light Rooms).

1769 W. Falconer Universal Dict. Marine Light-room, a small apartment, inclosed with glass windows, near the magazine of a ship of war. It is used to contain the lights by which the gunner, and his assistants, are enabled to fill the cartridges with powder.

1850 Exper. Her Majesty's Ship Excellent (Lords Commissioners Admiralty) 22 The light rooms of magazines should be covered by an outer bulkhead, equal in strength to that which surrounds the magazine.

1997 T. Grocott Shipwrecks of Revolutionary & Napoleonic Eras ii. 131 A flash of lightning..passed into the light room close to the magazine, shivering the strong plate glass to pieces.

2. The room at the top of a lighthouse in which the lighting equipment is situated.

ΚΠ

1777 W. Hutchinson Treat. Pract. Seamanship 150 These lamps and reflectors..are fixed in the light room, right fronting the channel.

1811 Edinb. Ann. Reg. 1809 2 546/2 The total height of the light-house, including the light-room, is 115 feet.

1903 Encycl. Americana IX. at Lighthouse It is considered essential that a constant watch be kept in the light-room during darkness to ensure the proper exhibition of light.

2018 Macleay Argus (New S. Wales) (Nexis) 9 Jan. 7 The Smoky Cape Lighthouse WilderQuest will see visitors climb all the way up to the light room and look down over Smoky Cape.

This entry has been updated (OED Third Edition, December 2021).

单词	light room
释义	light roomn. Brit. /ˈlʌɪt ruːm/, /ˈlʌɪt rʊm/, U.S. /ˈlaɪt ˌrum/, /ˈlaɪt ˌrʊm/ Origin: Formed within English, by compounding. Etymons: light n.¹, room n.¹ Etymology: < light n.¹ + room n.¹ 1. Nautical. A small room or compartment adjoining the magazine in a warship, having thick glass windows behind which lights may be placed in order to illuminate the magazine while preventing the risk of explosion. Now historical. ΘΚΠ society > travel > travel by water > vessel, ship, or boat > buoys, marks, or lighthouses > [noun] > object on land or sea as guide > light beacon or lighthouse > room containing light room1731 lantern1796 1731 Regulations & Instr. relating to His Majesty's Service at Sea (Royal Navy) ii. 25 He is to keep a Centinel constantly posted at the Scuttles leading down into the Boatswain's, Gunner's, and Carpenter's Store-Rooms, (as also into the Powder Light Rooms). 1769 W. Falconer Universal Dict. Marine Light-room, a small apartment, inclosed with glass windows, near the magazine of a ship of war. It is used to contain the lights by which the gunner, and his assistants, are enabled to fill the cartridges with powder. 1850 Exper. Her Majesty's Ship Excellent (Lords Commissioners Admiralty) 22 The light rooms of magazines should be covered by an outer bulkhead, equal in strength to that which surrounds the magazine. 1997 T. Grocott Shipwrecks of Revolutionary & Napoleonic Eras ii. 131 A flash of lightning..passed into the light room close to the magazine, shivering the strong plate glass to pieces. 2. The room at the top of a lighthouse in which the lighting equipment is situated. ΚΠ 1777 W. Hutchinson Treat. Pract. Seamanship 150 These lamps and reflectors..are fixed in the light room, right fronting the channel. 1811 Edinb. Ann. Reg. 1809 2 546/2 The total height of the light-house, including the light-room, is 115 feet. 1903 Encycl. Americana IX. at Lighthouse It is considered essential that a constant watch be kept in the light-room during darkness to ensure the proper exhibition of light. 2018 Macleay Argus (New S. Wales) (Nexis) 9 Jan. 7 The Smoky Cape Lighthouse WilderQuest will see visitors climb all the way up to the light room and look down over Smoky Cape. This entry has been updated (OED Third Edition, December 2021). < n.1731
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