materi-

1. To come into being or to appear suddenly, as if out of nowhere: A truck suddenly materialized out of the fog on the highway.
2. To become a reality or to become a fact: The military unit found that their support did not materialize as they had expected it would.
3. To cause a supposed ghost or spirit to assume a physical form: While Pete was at the graveyard late one evening, he was shocked to see what he thought was a man materializing out of the fog and walking past him. © ALL rights are reserved.

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1. With regard to the physical world; such as, with reference to matter or material things and conditions; physically.
2. With regard to matter as distinguished from form or a reference to matter, or material things, and conditions; physically.
3. To a significant extent or degree; substantially.

1. Something that is being considered or needs to be dealt with: "This is a matter for your serious consideration."
2. The reason why something is wrong or not working properly, or why someone is annoyed, upset, or not feeling well: "What's the matter with the alarm?"
3. A substance or material of a particular kind; such as, reading matter.
4. The material substance of the universe that has mass, occupies space, and is convertible to energy.
5. Text or other material that is printed: "They charge cheaper rates for printed matter."
6. The subject matter which is dealt with in speech or writing, as opposed to its presentation.
7. In Cartesian philosophy, something that is extended in space and persists through time, and is contrasted with the mind.
8. A case to be proven or resolved in a court of law: "She was the defendant in this matter?"
9. Etymology: directly or via Anglo-Norman mater and French matière; from Latin materia, "timber, stuff" which came from mater, "mother".

1. The material in coal from which ash is formed.
2. Material in coal that is not formed from decomposed plant products; that is, minerals that were present in the original plant materials or that were assimilated from extraneous sources; such as, sediments and mineralized water.

Clay, pyrite, and calcite are minerals often present in coal.

A standard for evaluating coal quality, assuming that all mineral matter has been removed from it, leaving "pure" coal.

The study of how materials behave when their dimensions are reduced to a nanoscale.

It can also refer to the materials themselves which are used in nanotechnology.

1. Not material nor composed of matter.
2. Not involving, seeking, or primarily concerned with riches or material things; that is, involving or concerned with the spiritual, intellectual, or cultural aspects of life.
3. A reference to, or pertaining to, the spirit or soul; spiritual: "The preacher tried to minister to the people's nonmaterial needs."

Any material that generates electrical charges when subjected to a mechanical force.

The total mass of the physical materials that are mobilized each year to support an economy.

This includes not only the direct use of resources for producing goods; such as, oil and timber harvest; but also "hidden flows" including mining overburden, processing waste, and soil erosion; as well as, the materials embodied in imports.

The total amount of tiny airborne particles or aerosols present in the atmosphere at a given time.

These can be produced by natural processes; such as, evaporation, forest fires, volcanic eruptions, or pollen dispersal, but TSP measurements usually refer to pollutants from human sources including fuel combustion, coal burning, municipal waste incineration, and so on.