A school, college or university from which an individual has graduated or which he or she has attended. / A school's anthem or song.

Alternative spelling of matchmaking

Any material considered crucial to national security concerns and military applications. Examples include natural resources, such as oil; alloys, such as steel, aluminum, and titanium; and composite materials, such as advanced plastics, polymers and ceramics.

(physics) matter composed of baryons and electrons

Any engineered material composed of two radically different materials in a tightly bonded matrix and having properties significantly different from either constituent

(astronomy) Any large aggregate of ordinary matter that does not emit light.

One who shares an office with another

(astronomy, physics) dark matter comprising elementary particles whose composition is as yet unknown, but is presumed to be unlike normal protons, neutrons and electrons etc.

The material used to store genetic information in the nuclei, mitochondria or plastids of an organism's cells; either DNA or RNA

(US, law) (in the context of support for terrorism) Any property, or service, including currency or monetary instruments or financial securities, financial services, lodging, training, expert advice or assistance, safe houses, false documentation or identification, communications equipment, facilities, weapons, lethal substances, explosives, personnel, and transportation, except medicine or religious materials