An ontological catalogue is an attempt to list the fundamental constituents of reality.

Quark- An elementary particle and a fundamental constituent of matter.

Grassroots is a political movement driven "from below" by the fundamental constituents of a community.

So far there has been no direct evidence that the fundamental constituents of the Universe are strings.

The first two accounts do not require free will to be a fundamental constituent of the universe.

This is because a commitment to representative government and loyalty to democratic institutions are themselves fundamental constituents of our collective political morality.

Study of the fundamental constituents of matter is central both to physics and cosmology.

The design and placement of glass is a fundamental constituent of green architecture.

String theory offers a new perspective on matter's fundamental constituents.

The fundamental constituents of nature are subatomic particles, and their behavior is best explained by quantum theory.