first break
first break (first arrival) The first wave from a discrete seismic-source impulse, naturally or artificially generated, that is recorded at a seismic detector. First breaks are used in seismic refraction surveying. See BREAK.
More From encyclopedia.com
Break , break / brāk/ • v. (past broke / brōk/ ; past part. brok·en / ˈbrōkən/ ) 1. separate or cause to separate into pieces as a result of a blow, shock, o… breaker , breaker •acre, baker, breaker, Chandrasekhar, faker, forsaker, Jamaica, Laker, maker, nacre, partaker, Quaker, raker, saker, shaker, staker, taker, u… breach , breach / brēch/ • n. 1. an act of breaking or failing to observe a law, agreement, or code of conduct: a breach of confidence I sued for breach of co… Rupture , rup·ture / ˈrəpchər/ • v. [intr.] (esp. of a pipe, a vessel, or a bodily part such as an organ or membrane) break or burst suddenly: if the main arte… burst , burst / bərst/ • v. (past and past part. burst ) [intr.] (of a container) break suddenly and violently apart, spilling the contents, typically as a r… Waves , Wind creates waves. As an air current (moving stream of air) moves over an undisturbed water surface, friction between air and water creates a series…
You Might Also Like
NEARBY TERMS
first break