The doctrine of equivalents is a concept that has been around since the 19th century.

Russia's intelligence agency did not have the technology or funds of its American equivalents.

It is not uncommon today to have travel time of four hours a day, or the equivalent of half the 40-hour week.

It is usually described as the amount of equivalents necessary to fill the soil capacity.

A donation of the equivalent of $5 will pay for one ticket.

This is true of their contemporary equivalents as well.

The hand was smaller than a human's, with no sign of the equivalent of fingernails.

Additionally, a fine of the equivalent of $1,100 was imposed.

The other was a new determination of the mechanical equivalent of heat.

Up to three students of the rank of colonel or the equivalent may be sent to the college by each member nation.