buildup

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Related to build-up: Built-up area

buildup

An increase in absorbed dose of radiation with depth below the surface in a radiated material by a beam of X-rays or gamma rays.
 
Types
Electron buildup—Due to an increasing electron flux in the material, which is more important for high energy beams.

Photon buildup—Due to scattering in broad beams of radiation.
References in periodicals archive ?
As we held overhead, I noticed towering cumulus build-ups within several miles of the ship.
We are going to have to have a look at the situation, but the county council has already had traffic engineers down there trying to sort things out with the lights and traffic build-ups you get.
The well has been currently shut-in to monitor pressure build-ups in the casing and tubing.
By the way, if these build-ups go on, Road no 1210 will be used only for parking vehicles.
There were a series of build-ups in it because we have to protect our own club's assets too,' he said.
No doubt they may reach it, but when you constantly see promos and build-ups, it breaks your heart.
Seasonal swings will be predictable, and major cash build-ups or payouts will fall into regular patterns.
The relationships with the brokers have resulted in long-term contracts, helping minimize potential disruptions caused by volatile pricing and inventory build-ups caused by disappearing demand.
Additionally, the ducts bathe the surrounding floor, door, and mechanisms with air movement to prevent maintenance intensive ice build-ups.
Logically this means the funniest jokes of all will be those with lengthy build-ups and hilarious punchlines and that is what the formula shows.
Inventory Position and Projections enables companies to project inventory out based on current business conditions, preventing shortages or build-ups.
This does two things: builds war fighters' confidence in the system and precludes the iron mountain build-ups we had in Desert Shield/Desert Storm.