Basalt is usually dark in color and contains grains of microscopic size.

They are determined, however, to ensure the murderer is brought to justice despite their microscopic size.

Christy could, as her name implied, shrink to microscopic size.

Crystals of many rare species are only found in microscopic sizes.

Due to their microscopic size they cannot be seen by professional doctors.

Collision with a particle of more than microscopic size could mean the end.

He spent several more minutes looking for other such items nearing microscopic size.

Such objects are called minisoliton stars because of their microscopic size.

They have miniaturized themselves to microscopic size with the same device that sent them back in time.

Much of his work focuses on small things, almost microscopic size at times.