A Matter

Substance, material.

(physics) The basic structural component of the universe. Matter usually has mass and volume.
(physics) Matter made up of normal particles, not antiparticles.

Antonym: antimatter

A kind of substance.
Printed material, especially in books or magazines.
(philosophy) Aristotelian: undeveloped potentiality subject to change and development; formlessness. Matter receives form, and becomes substance.

A condition, subject or affair, especially one of concern.
An approximate amount or extent.
(obsolete) The essence; the pith; the embodiment.
(obsolete) Inducing cause or reason, especially of anything disagreeable or distressing.
(dated) Pus.

Synonyms

material

stuff

substance