Nonrandom (adjective)

1. Not random; having a definite pattern, purpose or plan.
2. Not determined by chance.

Origin:

From non- + random, formed in the late 19th century.

Examples:

1. The nonrandom distribution of stars in a galaxy forms spiral arms.
2. The sequence of numbers generated by the computer was nonrandom.
3. The teacher was accused of creating nonrandom seating charts for the classroom.
4. The businessman's success was a result of his nonrandom hard work.
5. The nonrandom patterns in the data helped researchers identify the cause of the disease.