(law) A fact essential to make a case or a defense, or the absence of which negates a case or defense.

A conditional statement in the indicative mood.

Synonym of time and material

(manufacturing, design engineering) A list of materials and components used in a manufactured item, sometimes appended to an engineering diagram of the item.

(philosophy) The concept of reality in which material things are in the constant process of change brought about by the tension between conflicting or interacting forces, elements, or ideas.

A material in its unprocessed, natural state considered usable for manufacture. / (figuratively) Any physical product serving as input to a factory or other installation which processes it.

The branch of logic that focuses on the content of reasoning.

A substance, natural or man-made, which is intrinsically dangerous or otherwise poses a safety hazard. Examples are materials which are explosive, poisonous, chemically active (including acids and other corrosives), radioactive, or biologically active (including human blood and other medical waste).

(law) a breach of contract sufficiently serious to destroy the contract / a breach of a treaty which releases other parties from any obligation under it

(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