This rapid appearance of so many plant groups and growth forms has been called the "Devonian Explosion".

Following this there is a rapid appearance of grammatical rules and ordering of sentences.

Mobile technology has made a recent and rapid appearance into low- and middle-income nations.

I fail to understand the subcommittee's continued insistence upon my rapid appearance and unprepared testimony.

Around the same time there was a seemingly rapid appearance of representatives of all the mineralized phyla.

A number of stage tricks, including actors' rapid appearance and disappearance, employ these innovations.

The history of this newspaper rivalry and the rapid appearance of comic strips in most major American newspapers is discussed by Ian Gordon.

The biota largely disappeared contemporaneously with the rapid appearance of biodiversity known as the Cambrian explosion.

This explains the rapid appearance of migratory behavior after the most recent glacial maximum.

Above average rainfall may result in the rapid appearance of large numbers of boletes, in what is known in some circles as a "bolete year".