fundamental unit

noun

1. one of a set of unrelated units that form the basis of a system of units. For example, the metre, kilogram, and second are fundamental units of the SI system

Example Sentences

Scientists led by the University of Massachusetts Amherst have adapted a device called a microwave circulator for use in quantum computers, allowing them for the first time to precisely tune the exact degree of nonreciprocity between a qubit, the fundamental unit of quantum computing, and a microwave-resonant cavity.

From Science Daily

At present, the Constitution says: “The state recognizes the family as the natural primary and fundamental unit group of society, and as a moral institution possessing inalienable and imprescriptible rights, antecedent and superior to all positive law.”

From New York Times

Mukherjee recounts the beginnings of cell theory among 19th-century European scientists and the growing consensus that the cell is the fundamental unit of life in plants and animals.

From Washington Post

It calls attention to the line as a fundamental unit, which in some sense always stands alone — the next line could always be anything.

From New York Times

Actually, it more resembles a free banking built on gold, but where in this case it’s really easy to withdraw the monetary unit, whereas with the dollar-based banking system there isn’t really a fundamental unit at the core of that.

From The Verge