“base”

Founded on; having a basis; often used in combining forms.

Technical matters concerning baseball generally not apparent or of interest to spectators.

Preceding all others of a series or kind; the ordinal of one; earliest.

Food and lodging; board.

Each of the divisions of a year based on the prevailing weather: spring, summer, autumn (fall) and winter; or the rainy (monsoon) and dry season, depending on the climate.

A measure of the extent of a surface; it is measured in square units.

A group, collection, category or set sharing characteristics or attributes.

The ordinal form of the cardinal number three; Coming after the second.

A grouping based on shared characteristics; a class.

A period into which a year is divided, historically based on the phases of the moon.

A land area free of woodland, cities, and towns; an area of open country.

A category into which sexually-reproducing organisms are divided on the basis of their reproductive roles in their species; the system of such categories, which can differ by organism or by taxonomic branch.

An item of information put into a temporary or permanent physical medium.

To perform a mathematical calculation.