† light sailn.¹

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

Etymology: < light adj.¹ + sail n.¹

Nautical. Obsolete.

Chiefly in plural. Any of various sails positioned above the topgallant sail; (also) a studdingsail or flying jib.

ΚΠ

1791 Lloyd's List 30 Aug. The Mary and Ann..which was deserted by the Crew; had little or no Water in her; nothing in the Cabin; the light Sails unbent, and her lower Yards cut away.

1825 Amer. Mechanics' Mag. 21 May 250/1 Of the importance of light sails in giving increased velocity to the rate of sailing, we have the following practical instance from a naval officer.

1921 National Geographic Mag. July 11/1 In summer, when the topmasts are up, light sails are set, consisting of fore- and main gaff-topsails, a rectangular main-topmast-staysail, and a balloon-jib or jib-topsail.

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

light sailn.²

Brit.

/ˈlʌɪt seɪl/, U.S.

/ˈlaɪt ˌseɪl/

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

Etymology: < light n.¹ + sail n.¹

Astronautics and Science Fiction.

A structure incorporating a large, very thin sheet of reflective material, designed to use the pressure of (esp. solar) radiation to provide the propulsive force for a spacecraft. Cf. solar sail n. at solar adj. and n.¹ Compounds 3.Spacecraft propelled by solar-powered sails were first deployed in 2010. Many technical proposals have been made for sails powered by lasers or masers, which could allow travel beyond the solar system.

ΘΚΠ

society > travel > air or space travel > a means of conveyance through the air > spacecraft > parts of spacecraft > [noun] > devices using solar radiation

light sail1958

paddle1959

solar sail1960

solar paddle1962

1958 Astron. Jrnl. 63 461/1 Work in trajectory calculations, satellite orbit duration, ionic and light-sail propulsion, and similar topics of current interest.

1974 L. Niven & J. Pournelle Mote in God's Eye (1976) 48 You knew we were dealing with a light-sail propulsion system, sir?.. Sunlight per square centimeter falling on a light sail decreases as the square of the distance from the star.

2016 New Scientist 16 Apr. 9/2 These probes will use metre-wide lightsails of reflective material to capture the momentum from colliding photons and propel themselves along.

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

单词	light sail
释义	† light sailn.¹ Origin: Formed within English, by compounding. Etymons: light adj.¹, sail n.¹ Etymology: < light adj.¹ + sail n.¹ Nautical. Obsolete. Chiefly in plural. Any of various sails positioned above the topgallant sail; (also) a studdingsail or flying jib. ΚΠ 1791 Lloyd's List 30 Aug. The Mary and Ann..which was deserted by the Crew; had little or no Water in her; nothing in the Cabin; the light Sails unbent, and her lower Yards cut away. 1825 Amer. Mechanics' Mag. 21 May 250/1 Of the importance of light sails in giving increased velocity to the rate of sailing, we have the following practical instance from a naval officer. 1921 National Geographic Mag. July 11/1 In summer, when the topmasts are up, light sails are set, consisting of fore- and main gaff-topsails, a rectangular main-topmast-staysail, and a balloon-jib or jib-topsail. This entry has been updated (OED Third Edition, December 2021). light sailn.² Brit. /ˈlʌɪt seɪl/, U.S. /ˈlaɪt ˌseɪl/ Origin: Formed within English, by compounding. Etymons: light n.¹, sail n.¹ Etymology: < light n.¹ + sail n.¹ Astronautics and Science Fiction. A structure incorporating a large, very thin sheet of reflective material, designed to use the pressure of (esp. solar) radiation to provide the propulsive force for a spacecraft. Cf. solar sail n. at solar adj. and n.¹ Compounds 3.Spacecraft propelled by solar-powered sails were first deployed in 2010. Many technical proposals have been made for sails powered by lasers or masers, which could allow travel beyond the solar system. ΘΚΠ society > travel > air or space travel > a means of conveyance through the air > spacecraft > parts of spacecraft > [noun] > devices using solar radiation light sail1958 paddle1959 solar sail1960 solar paddle1962 1958 Astron. Jrnl. 63 461/1 Work in trajectory calculations, satellite orbit duration, ionic and light-sail propulsion, and similar topics of current interest. 1974 L. Niven & J. Pournelle Mote in God's Eye (1976) 48 You knew we were dealing with a light-sail propulsion system, sir?.. Sunlight per square centimeter falling on a light sail decreases as the square of the distance from the star. 2016 New Scientist 16 Apr. 9/2 These probes will use metre-wide lightsails of reflective material to capture the momentum from colliding photons and propel themselves along. This entry has been updated (OED Third Edition, December 2021). < n.¹1791n.²1958
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† light sailn.1

light sailn.2

† light sailn.¹

light sailn.²