An iconic pyramidal mountain on the border of Switzerland and Italy. / (by extension) Something difficult to achieve or to surmount.

(physics) A predicted very high energy state of matter, present in the very early universe for perhaps 10⁻³⁶ seconds after the Big Bang, when strong, weak, electromagnetic, and gravitational forces were undistinguished.

(physics) A predicted very high-energy state of matter, present in the very early universe for perhaps 10⁻¹² seconds after the Big Bang, when strong, weak, and electromagnetic forces were undistinguished.

Synonym of any way one slices it

Resembling or characteristic of matter.

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

(archaic) third-person singular simple present indicative form of matter

(obsolete) Somewhat; slightly; a little.

Dark matter traveling at relativistic speeds, less than ultra-relativistic particles, but more than classical particles.

Dark matter traveling at ultra-relativistic velocities