British analysts base estimates on earnings before taxes; by that measure, Pearson reported a loss of £233 million, more than expected.

With his eyes he measured the arc of the sun and estimated the time before darkness.

The college estimates an attrition of about 15 students, which officials refer to as "summer melt," before fall, bringing the class right in on target.

Based upon this date, he estimated that the footprints dated to about 5,000 Before Present.

I estimate ten minutes before one of the weapons discharges.

We estimate less than one hour before catastrophic failure.

The police estimated the size of the crowd at 5,000, as against 36,000 the year before and 70,000 the year before that.

If machines were used, it would not be too hard to estimate the error rate before an election.

Each player independently estimates the value of the item before bidding.

Slowly, af course, but we estimate their arrival just before midnight.