The period is generally defined as the mid-19th century but especially the years roughly from 1850 to 1855.

This is roughly defined for all organisms, as in the normal position when at rest and not moving.

Luxury cars are roughly defined as those selling for $20,000 and up.

He was over solid ground now, with the roughly defined track of the Way visible below him.

Bigotry may be roughly defined as the anger of men who have no opinions.

To qualify, people must be in extreme poverty, roughly defined by officials here as living on less than the equivalent of $2 a day.

The board has the power to roll back excessive increases, roughly defined as above the overall inflation rate.

Surface physics can be roughly defined as the study of physical changes that occur at interfaces.

Usually, personnel are divided into military branches roughly defined by certain circumstances of their deployment.

Hysteresis can be defined roughly as 'the lagging of an effect behind its cause'.