The addition of one or more electrons to an atom or molecule. In the case of a molecule, protons may be involved as well, resulting in hydrogen being added.

The counterpart to oxidation, in which electrons aregained by a compound.

firing ceramic ware at high temperature in the presence of added carbon to reduce the percentage of oxygen in the kiln. This produces muted and subtle color variations, and alters the color-producing reaction of some metallic oxides used as glaze colorants.

is the gain of an electron or electrons by an atom

The correction of observations for known errors of instruments, etc.

The operation of restoring a dislocated or fractured part to its former place.

Replacement or realignement of a body part in normal position or restoration of a bodily condition to normal.

The restoration of a dislocated part of the body to its normal position.

a liquid boiled until thickened and intensified

A process used to increase and intensify the flavor of a liquid. This is done by rapidly boiling a liquid to decrease its volume through evaporation. This concentrates the flavor, so season a reduction after it's made -- not before.

Heating a liquid to evaporate its water content. Chefs speak of reducing a mixture by one half, one third, or some other fraction, meaning that the finished product is one-third, or some other fraction, meaning that the finished product is one-third less than what you began with. If heating continues until the pan is nearly dry, it is call au sec. Reduction is a way to concentrate flavours.

To cook over a very high heat, uncovered, until the liquid is reduced by evaporation. This will increase the flavour.

The process of making a copy of something, as a figure, design, or draught, on a smaller scale, preserving the proper proportions.

An illustration or photograph that is reproduced at a smaller size than the original. The specifications for a reduction are calculated with a proportion wheen as a percentage of original size.

A sculpture that has been reproduced on a smaller scale.

the shrinking of a design pattern to a smaller scale. Usually refers to a cane that is created in a large scale and then reduced in proportion by various techniques.

The act or process of reducing. See Reduce, v. t., 6. and To reduce an equation, To reduce an expression, under Reduce, v. t.

The act, process, or result of reducing{7}; as, the reduction of iron from its ores; the reduction of an aldehyde into an alcohol.

The process of viewing an algebraic curve defined by a polynomial with integral coefficients as a curve over the finite field for some prime p.

Process of breaking down stone by either flaking or grinding.

A transformation that reduces some particular measure of each object in its domain.

A result of the form, "Problem A is at least as hard as Problem B." This is generally shown by giving an algorithm that transforms any instance of Problem B into an instance of Problem A.

a recasting of one problem as another (somewhat different) problem

In general, the transformation of data from a "raw" form to some useable form. In meteorology, this often refers to the conversion of the observed value of an element to the value which it would theoretically have at some selected or standard level. The most common reduction in weather observing is that of station pressure to sea level pressure.

Commonly done with Ram-Forming technique. Tube is held stationary as a reducing punch is forced over the end to reduce the diameter of a specific section. Reduction is generally limited to 2X the wall thickness of the tube.

The measure of the percentage that the diameter, measuring from the blank to the cup, decreases in the redrawing operation.

In cupping and deep drawing, a measure of the percentage of decrease from blank diameter to cup diameter, or of the diameter reduction in redrawing. In forging, extrusion, rolling, and drawing, either the ratio of the original to the final cross-sectional area or the percentage of decrease in cross-sectional area.

1.) A print that is smaller than the size of the negative. 2.) The part of development in which exposed silver halide crystals forming an invisible latent image are converted to visible metallic silver.  3.) A process that decreases the amount of dark silver in a developed image.  Negatives are usually reduced to decrease density.  Prints are reduced locally (only in certain parts) to brighten highlights.  Opposite:  intensification.

a mapping that reduces the distances between parallel lines by the same factor in all directions (in contrast, see enlargement).

With HP's digital reduce/enlarge features, you can specify the exact reduction or enlargement percentage you need (anything between 25% and 400%).

Shrinking the size of an image. With HP's digital reduce/enlarge features, the user can specify the exact reduction or enlargement percentage needed (anything between 25% and 400%).