(baseball) A statistic that measures a player's hitting. In this statistic, each single counts as one base, each double counts as two bases, each triple as three bases and each home run as four bases.

The fluid, most often water, used in hydraulic fracturing

(molecular biology) The sequence of nucleotide bases in a DNA molecule.

plural of base note

The heavily volatile and thus most-lasting parts of a perfume, often of ligneous, resinous or animalic nature

(aviation) The part of a landing before final approach, flown downwind of and at right angles to the runway.

(geometry) Either of the two angles that intersect with the base of a triangle.

plural of base angle

plural of base path

Alternative form of basepath