Reduce  v. (-cing) 1 make or become smaller or less. 2 (foll. By to) bring by force or necessity (to some undesirable state or action) (reduced them to tears; reduced to begging). 3 convert to another (esp. Simpler) form (reduced it to a powder). 4 convert (a fraction) to the form with the lowest terms. 5 (foll. By to) bring, simplify, or adapt by classification or analysis (the dispute may be reduced to three issues). 6 make lower in status or rank. 7 lower the price of. 8 lessen one's weight or size. 9 weaken (is in a very reduced state). 10 impoverish. 11 subdue, bring back to obedience. 12 chem. A (cause to) combine with hydrogen. B (cause to) undergo addition of electrons. 13 a (in surgery) restore (a dislocated etc. Part) to its proper position. B remedy (a dislocation etc.) In this way.  reducible adj. [latin duco bring]