Decrease and Wasting

noun

• A change downward.
  • usage: "there was a decrease in his temperature as the fever subsided"; "there was a sharp drop-off in sales"
  • synonyms: lessening, drop-off
• A process of becoming smaller or shorter.
  • synonyms: decrement
• The amount by which something decreases.
  • synonyms: decrement
• The act of decreasing or reducing something.
  • synonyms: diminution, reduction, step-down

verb

• Decrease in size, extent, or range.
  • usage: "The amount of homework decreased towards the end of the semester"; "The cabin pressure fell dramatically"; "her weight fell to under a hundred pounds"; "his voice fell to a whisper"
  • synonyms: diminish, lessen, fall
• Make smaller.
  • usage: "He decreased his staff"
  • synonyms: lessen, minify

• (v.t.) To cause to grow less; to diminish gradually; as, extravagance decreases one's means.
• (v.) A becoming less; gradual diminution; decay; as, a decrease of revenue or of strength.
• (n.) To grow less, -- opposed to increase; to be diminished gradually, in size, degree, number, duration, etc. or in strength, quality or excellence; as, they days decrease in length from June to December.
• (v.) The wane of the moon.

noun

• Any general reduction in vitality and strength of body and mind resulting from a debilitating chronic disease.
  • synonyms: cachexia, cachexy
• A decrease in size of an organ caused by disease or disuse.
  • synonyms: atrophy, wasting away

verb

• Spend thoughtlessly; throw away.
  • usage: "He wasted his inheritance on his insincere friends"; "You squandered the opportunity to get and advanced degree"
  • synonyms: waste, blow, squander
• Use inefficiently or inappropriately.
  • usage: "waste heat"; "waste a joke on an unappreciative audience"
  • synonyms: waste
• Get rid of.
  • usage: "We waste the dirty water by channeling it into the sewer"
  • synonyms: waste
• Run off as waste.
  • usage: "The water wastes back into the ocean"
  • synonyms: waste, run off
• Get rid of (someone who may be a threat) by killing.
  • usage: "The mafia liquidated the informer"; "the double agent was neutralized"
  • synonyms: neutralize, neutralise, liquidate, waste, knock off, do in
• Spend extravagantly.
  • usage: "waste not, want not"
  • synonyms: consume, squander, waste, ware
• Lose vigor, health, or flesh, as through grief.
  • usage: "After her husband died, she just pined away"
  • synonyms: pine away, waste, languish
• Cause to grow thin or weak.
  • usage: "The treatment emaciated him"
  • synonyms: waste, emaciate, macerate
• Cause extensive destruction or ruin utterly.
  • usage: "The enemy lay waste to the countryside after the invasion"
  • synonyms: lay waste to, waste, devastate, desolate, ravage, scourge
• Become physically weaker.
  • usage: "Political prisoners are wasting away in many prisons all over the world"
  • synonyms: waste, rot

• (a.) Causing waste; also, undergoing waste; diminishing; as, a wasting disease; a wasting fortune.
• (p.pr.&vb.n.) of Waste.

Wasting is a term depicting how an option's value decreases over time; as each day after acquisition passes a portion of the option's time value is lost or wasted.