The stanitsa, or village, formed the primary unit of this organization.

The band was the primary social unit of the Comanches.

Genes are the primary units of inheritance in all organisms.

At this stage, the air passes through a primary unit and then into a space.

"We were able to track a contact after the disappearance of the primary units."

Blocks were proposed as the primary units for the district planning exercise.

First, networks are the primary unit of social organization.

The village continued to remain the primary unit of revenue assessment.

This decree established "firms" as the primary unit of economic management.

"First, it takes deadly aim on the primary unit in society, the family," he wrote.