Decrease and Cancel

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

• A notation cancelling a previous sharp or flat.
  • synonyms: natural

verb

• Postpone indefinitely or annul something that was scheduled.
  • usage: "Call off the engagement"; "cancel the dinner party"; "we had to scrub our vacation plans"; "scratch that meeting-the chair is ill"
  • synonyms: call off, scratch, scrub
• Make up for.
  • usage: "His skills offset his opponent's superior strength"
  • synonyms: offset, set off
• Declare null and void; make ineffective.
  • usage: "Cancel the election results"; "strike down a law"
  • synonyms: strike down
• Remove or make invisible.
  • usage: "Please delete my name from your list"
  • synonyms: delete
• Make invalid for use.
  • usage: "cancel cheques or tickets"
  • synonyms: invalidate

• (v.i.) The part thus suppressed.
• (v.i.) To annul or destroy; to revoke or recall.
• (v.i.) The suppression or striking out of matter in type or of a printed page or pages.
• (v.i.) To cross and deface, as the lines of a writing or as a word or figure; to mark out by a cross line; to blot out or obliterate.
• (v.i.) An inclosure; a boundary; a limit.
• (v.i.) To shut out, as with a railing or with latticework; to exclude.
• (v.i.) To suppress or omit; to strike out, as matter in type.
• (v.i.) To inclose or surround, as with a railing or with latticework.

To void an order to buy or sell from (1) the floor, or (2) the trader/salesperson's scope. In Autex, the indication still remains on record as having once been placed unless it is expunged.