The antique dealer refused to buy the lot when he realized half of the pieces were fourth-rates, not genuine period artifacts.

The museum's exhibit displayed models and logs of several sixth rates that once patrolled these waters.

Collectors often dismiss certain paintings as fourth rates, but a few gain appreciation over time.

Recruiters rarely give interviews to second rates, preferring candidates with stronger track records.

The museum's new exhibit features several first rates that have never been displayed together before.

The admiral dismissed the sixth-rates as too slow to pursue the corsairs, assigning faster brigantines instead.

The festival promised groundbreaking acts, but it mostly featured third rates that failed to impress the audience.

Differences in basal metabolic rates can explain why two people of similar size burn energy at different speeds during exercise.

Measured air kerma rates near the entrance indicated that the shielding needed to be increased.

Meteorologists compare adiabatic lapse rates to determine atmospheric stability before forecasting storms.