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单词 light ray
释义

> as lemmas

light ray
a. As a modifier, as in light beam, light intensity, light ray, light signal, light socket, light source, light wave, etc.
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the world > matter > light > [noun] > ray or beam
beamc885
rowc1225
stringc1275
steamc1300
light beama1398
shafta1400
rayc1400
strakec1400
rade?a1563
gleed1566
radiation1570
shine1581
rayon1591
stralla1618
radius1620
rule1637
irradiation1643
track1693
emanation1700
spoke1849
spearc1850
slant1856
sword1866
secondary1921
the world > matter > physics > electromagnetic radiation > light > [noun] > rays or waves
rayc1400
tress1423
radiation1570
hair1594
hair1606
irradiation1643
beam1664
light wave1871
OE (Northumbrian) Lindisf. Gospels: Matt. v. 15 Accendunt lucernam et ponunt eam..super candelabrum : bernas ðæccille uel lehtfæt & settas ða uel hia..ofer lehtisern.
OE Lambeth Psalter xvii. 29 Quoniam tu illuminas lucernam meam : forðan þe þu onlyhst leohtfætels uel leohtfæt min.
a1398 J. Trevisa tr. Bartholomaeus Anglicus De Proprietatibus Rerum (BL Add. 27944) (1975) I. viii. xxx. 513 A liȝt beme [L. radius] is a briȝt streme of a body of liȝt.
1845 T. Carlyle in O. Cromwell Lett. & Speeches II. 361 Straggling accidental lightbeams.
1871 J. Tyndall Fragm. Sci. (1879) II. viii. 110 Different light-waves produce different colours.
1872 Westm. Rev. July 83/1 Stars are seen in the night, and not in the day, although it is demonstrable that in both cases the difference of light intensity between them and the rest of the sky is one and the same.
1908 M. Solomon Electric Lamps ii. 9 Artificial illuminants divide themselves into two groups..according as the light source is a hot or a cold light.
1930 Morning Post 19 July 13/6 An extension of the system of light signals for road traffic.
1950 Sci. News 15 17 Light rays cannot bring about a photo-chemical change unless they are absorbed.
1960 H. Pinter Caretaker ii. 48 There used to be a wall plug..but it doesn't work. I had to fit it in the light socket.
2018 Times (Ireland ed.) (Nexis) 26 Feb. 14 The [sc. fibre optic] cables can transfer a light signal for huge distances which is why they are so important in communications technology.
extracted from lightn.1
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更新时间:2024/12/23 8:19:53