In your freezer the bulbs drop rapidly from room temperature to well below freezing in a matter of hours.

With the rains the temperatures which were currently hot during the day and pleasant at night would drop rapidly to become piercingly cold.

Seed can be stored in sealed containers under refrigeration for four to six weeks, but germination begins to drop rapidly after 10 days.

Many voice vocoder systems use lower data rates, but below 5 kbit/s voice quality begins to drop rapidly.

Population sizes began to drop rapidly, with whole villages being abandoned because of outbreaks.