In water, a Bronsted base such as ammonia will accept a proton to form its conjugate acid.

After watching several BASE jumps, she decided to train for her first jump.

When he BASE jumps off the cliff, his friends hold their breath.

After months of training, she BASE jumped from the cliff at dawn.

The mayor's power base in the city council grew after he funded several local projects.

The lease specifies that the base rent will be reviewed annually before any operating expenses are added.

After the rain delay, the team rallied with three base hits to tie the game.

The archivist discovered the term data base used throughout the Victorian report and noted that it was an obsolete spelling of the modern word.

Many people are drawn to base jumping because of the adrenaline rush and the breathtaking views.

The BASE jumper took a deep breath at the cliff edge and then leapt into the open air.