Lightning-rod
31lightning conductor — (also chiefly N. Amer. lightning rod) ► NOUN Brit. ▪ a metal rod or wire fixed in a high and exposed place to divert lightning into the ground …
32Rod — may mean: *Rod (geometry), a straight and slender stick; a wand; a cylinder; hence, any slender bar *Rod cell, a cell found in the retina that is sensitive to light/dark (black/white) *Rod (length), an Imperial unit of length, also known as the… …
33rod — [rɔd US ra:d] n [: Old English; Origin: rodd] 1.) a long thin pole or bar steel/iron/wooden etc rod ▪ The walls are reinforced with steel rods. ▪ a measuring rod ↑basket, ↑net, ↑reel, ↑rod 2.) …
34lightning conductor — lightning conductors N COUNT A lightning conductor is a long thin piece of metal on top of a building that attracts lightning and allows it to reach the ground safely. [BRIT] (in AM, use lightning rod) …
35rod — [räd] n. [ME rodde < OE rodd, akin to ON rudda, club, prob. < IE base * rēt , *rōt , bar, beam > L retae, trees on a river bank] 1. a straight, slender shoot or stem cut from, or still part of, a bush or tree 2. Bible an offshoot or… …
36lightning — late 13c., prp. of lightnen make bright, extended form of O.E. lihting, from leht (see LIGHT (Cf. light) (n.)). Meaning cheap, raw whiskey is attested from 1781, also sometimes gin. Lightning bug is attested from 1778. Lightning rod from 1790 …
37lightning arrester — lightning rod, device that diverts lightning from the structure upon which it is placed …
38Lightning protection system — A lightning protection system is a system that protects a structure from damage due to lightning strikes, either through safely conducting the strike to the ground, or preventing the structure from being struck. Most lightning protection systems… …
39Lightning — This article is about the atmospheric electrical phenomenon. For other uses, see Lightning (disambiguation). See also: Lightning strike Lightning striking Atlanta, United States Lightning is an atmospheric electrostatic discharge (spar …
40lightning conductor — noun a metallic conductor that is attached to a high point and leads to the ground; protects the building from destruction by lightning • Syn: ↑lightning rod • Hypernyms: ↑conductor * * * noun, pl ⋯ tors [count] Brit : ↑lightning rod 1 * * *… …
