Roll front

Roll front
  A type of uranium deposition localized as a roll or interface separating an oxidized interior from a reduced exterior. The reduced side of this interface is significantly enriched in uranium.
  U.S. Dept. of Energy, Energy Information Administration's Energy Glossary

Energy terms . 2014.

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  • roll — roll1 W3S1 [rəul US roul] v ▬▬▬▬▬▬▬ 1¦(round object)¦ 2¦(person/animal)¦ 3¦(shape of tube/ball)¦ 4¦(make something flat)¦ 5¦(clothes)¦ 6¦(something with wheels)¦ 7¦(drop of liquid)¦ 8¦(waves/clouds)¦ 9¦(game)¦ 10¦( …   Dictionary of contemporary English

  • roll — 1 verb 1 ROUND OBJECT (intransitive always + adv/prep, transitive) if something that is round rolls or if you roll it, it moves along a surface by turning over and over: The ball rolled into the street. | roll sth: Maybe we can roll the log to… …   Longman dictionary of contemporary English

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  • roll — [[t]ro͟ʊl[/t]] ♦♦ rolls, rolling, rolled 1) V ERG When something rolls or when you roll it, it moves along a surface, turning over many times. [V prep/adv] The ball rolled into the net... [V prep/adv] Their car went off the road and rolled over …   English dictionary

  • roll — rollable, adj. /rohl/, v.i. 1. to move along a surface by revolving or turning over and over, as a ball or a wheel. 2. to move or be moved on wheels, as a vehicle or its occupants. 3. to flow or advance in a stream or with an undulating motion,… …   Universalium

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