(physics) Any form of matter, such as a solid or liquid, in which there are strong interactions between neighbouring atoms

(obsolete) Somewhat; slightly; a little.

Dated spelling of fecal matter.

(idiomatic) An inevitable result; something that is bound to happen.

dry weight; a measurement of the mass of something when completely dried

(physics) A hypothetical mirrored counterpart to ordinary physical matter.

(physics) mirror matter

Alternative form of subject matter

(rare, proscribed) Nonstandard form of as a matter of fact.

physical material, containing an inscribed message, used as a means of communication between intelligences separated by astronomical distances