"Reduce" is a word in LAW AND LEGAL, ENGLISH

In Scotch law. To rescind or annul

To bring or lead back to any former place or condition.

To bring to a certain state or condition by grinding,
pounding, kneading, rubbing, etc.; as, to reduce a substance to powder,
or to a pasty mass; to reduce fruit, wood, or paper rags, to pulp.

To change, as numbers, from one denomination into another
without altering their value, or from one denomination into others of
the same value; as, to reduce pounds, shillings, and pence to pence, or
to reduce pence to pounds; to reduce days and hours to minutes, or
minutes to days and hours.

To bring into a certain order, arrangement, classification,
etc.; to bring under rules or within certain limits of descriptions and
terms adapted to use in computation; as, to reduce animals or
vegetables to a class or classes; to reduce a series of observations in
astronomy; to reduce language to rules.

To restore to its proper place or condition, as a displaced
organ or part; as, to reduce a dislocation, a fracture, or a hernia.

To bring to any inferior state, with respect to rank, size,
quantity, quality, value, etc.; to diminish; to lower; to degrade; to
impair; as, to reduce a sergeant to the ranks; to reduce a drawing; to
reduce expenses; to reduce the intensity of heat.

To bring to terms; to humble; to conquer; to subdue; to
capture; as, to reduce a province or a fort.

To change the form of a quantity or expression without
altering its value; as, to reduce fractions to their lowest terms, to a
common denominator, etc.

To bring to the metallic state by separating from
impurities; hence, in general, to remove oxygen from; to deoxidize; to
combine with, or to subject to the action of, hydrogen; as, ferric iron
is reduced to ferrous iron; or metals are reduced from their ores; --
opposed to oxidize.