The word 'searchlights' is correct and can be used in written English
You can use it to refer to a type of light typically used to illuminate a large area, such as a military base or a harbor. For example, "The royal yacht was lit up by the searchlights on the dock."
Shooting 26 searchlights 10km into the skies, and blaring its call to prayer 7km across the valley, the Abraj al-Bait is also the world's second tallest building.
THERE was nothing subtle about the party on February 9th: a lavish affair in the lobby of The Rookery, an elegant building in the heart of Chicago's financial centre, with searchlights menacing the art deco façade of the Chicago Board of Trade CBOTT) building only steps away.
Fifty "anti-depredation squads", each of a dozen local villagers willing to spend their nights on elephant watch, have been equipped with firecrackers and searchlights and trained in steering hungry herds from fields, homes and stills.
In much of Europe would-be tyrants spent the 1930s strutting about in black shirts and shiny boots on stages lit by searchlights.
Few people doubt that, should she take over, the searchlights would swivel on to his business activities.
Within days the predictable wrangling and complaints grew shrill: no co-ordination, little equipment such as searchlights or lifting gear, slow relief supplies, supermarkets looted to get hold of some.
Eight died in a single sortie once when she was lead pilot, as hulking Messerschmitts attacked them in the dazzle of the searchlights.
Ordinary searchlights can often be used at night even in combat situations; but, to avoid drawing fire, invisible light, in the ultraviolet or near infrared range, can be used with appropriate viewing devices.
In 1918, moreover, Admiral Sir Roger Keyes, in command at Dover, set up a system whereby the English Channel was patrolled by surface craft with searchlights, so that U-boats passing through it had to submerge themselves to depths at which they were liable to strike the mines that had been laid for them.
About 1877 Col. Alphonse Mangin of the French Army invented a double spherical glass mirror that was widely employed in searchlights until about 1885, when the parabolic reflector came into use.
These fishes feed at night and have bright photophores, or bioluminescent organs, at the tips of their lower jaws; they appear to use these organs much like tiny searchlights as they feed on planktonic (minute floating) organisms.
