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material heresy
(Roman Catholicism) An opinion that is objectively contradictory to the teachings of the Church, and as such heretical, but which is uttered by a person without the subjective knowledge of its being so.
genuine issues of material fact
genetic material
The material used to store genetic information in the nuclei, mitochondria or plastids of an organism's cells; either DNA or RNA
strategic material
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.
composite material
Any engineered material composed of two radically different materials in a tightly bonded matrix and having properties significantly different from either constituent