verb

• (transitive) To cause to become completely permeated with, or soaked (especially with a liquid).
  "Rain saturated their clothes."
• (transitive, figurative) To fill thoroughly or to excess.
  "Modern television is saturated with violence."
• (transitive, chemistry) To satisfy the affinity of; to cause a substance to become inert by chemical combination with all that it can hold.
  "One can saturate phosphorus with chlorine."
• (transitive, optics) To render pure, or of a colour free from white light.

noun

• (chemistry) Something saturated, especially a saturated fat.
  "Through formation of a double bond, stearic acid (18:0), a saturate, is converted to acid (18:1), a monounsaturate."

adj

• Saturated, wet, soaked.
  "There she lay, […] Wax-white, seraphic, saturate with the sun O' the morning that now flooded from the front And filled the window with a light like blood."
• (entomology) Very intense.
  "saturate green"
• (obsolete) Satisfied, satiated.
• (obsolete) Complete, perfect.