(chemistry, sciences) A gas like ammonia that has basic properties.

A database designed to meet the complex storage and retrieval requirements of computerized knowledge management, especially in support of artificial intelligence or expert systems.

Dated form of baseball. (ball game)

(chemistry) Alternative spelling of Brønsted base

(law) The amount of rent assessed before inclusion of additional expenses or other factors that increase the amount of rent to be paid.

simple past tense and past participle of BASE jump

plural of BASE jump

Third-person singular simple present indicative form of BASE jump

The source of a person's or organization's power or influence

(baseball) A successful hit in which the batter safely reaches base