Military

• Replenishment oiler
  Replenishment Oiler
  A replenishment oiler or fleet tanker is a naval auxiliary ship with fuel tanks and dry cargo holds, which can replenish other ships while underway in the high seas. Such ships are used by several countries around the world....
  
  
• Underway replenishment
  Underway replenishment
  Underway replenishment or replenishment at sea is a method of transferring fuel, munitions, and stores from one ship to another while under way.-History:...
  
  , a method of transfer between naval ships
• Vertical replenishment, another method of transferring supplies

Photography

• Replenishment (photography)
  Replenishment (photography)
  Replenishment is used in photographic film and paper processing, where fresh chemistry is used to replace exhausted chemistry in a continuous or per-batch fashion...
  
  , a process used in processing paper and photographic film