Many older spectrophotometers must be calibrated by a procedure known as "zeroing."

A line of holes stitched across the crates, zeroing in on Bolan.

This makes zeroing out the balance impossible.

The administration says it has come up with ways to make crime drop further, by zeroing in on the most intransigent pockets of criminality.

That lets them start zeroing in on a more precise date based on reversals in the Earth's magnetic field.

The Dallas task force pioneered prosecution techniques like zeroing in on a few specific transactions from a failed savings and loan for prosecution.

Training courses for this zone include Moving Target Engagement, Falling Plates, Grouping and Zeroing, and Weapon Testing.

One of those spectators last fall was Peter Ueberroth, who has sometimes seemed to concentrate on baseball's problems with illegal drugs while not zeroing in on baseball's questionable association with alcohol.

Republican Alternative In particular, the Democrats were zeroing in on Senators John Seymour of California and Christopher Bond of Missouri, who are up for election next year.

In recent weeks, Congress has been too busy worrying about today's hot media topic - "zeroing out" funds for PBS - to spend much time on television violence, which was last year's topic.

Too often, the common cold turns into something more serious, zeroing in on your personal weak point to become a sinus infection, a sore throat, a nonstop cough, an attack of bronchitis, or an ear infection.

While there have been substantial advances in forecasting the general conditions one might expect 10 to 15 days from now, many meteorologists agree that there has been little progress in zeroing in on conditions that will prevail locally on a particular day.