Definitions

1. noun

A unit of the metric system equal to one millionth of the metre, used especially in the measurement of small distances or sizes.

“The physicist measured the distance between the atoms using a nanometer.”

2. noun

A German theologian and ethicist, known for his work in the fields of theology, ethics, and social theory.

“Reinhold Niebuhr’s book on Christian ethics has been a foundational text for many theologians.”