Material, abbreviated as MATL, is the matter an object is made of.  There are four categories of material: ceramic, composite, metal and polymer.

• Ceramic - inorganic non-metallic solid comprised of either metal or non-metal compounds made by heating together these materials.
• Composite - material mixture of two or more materials with different properties combined to produce a new material.
• Metal - chemical elements that are good conductors of heat and electricity.
• Polymer - a long chain of molecules linked together.

Associations

• List of materials associations

Materials Databases

• Matbase
• National Institute for Materials Science (NIMS) Materials Database

Mathematics Symbols

• See Algebra Symbols / Angle and Line Symbols / Basic Math Symbols / Bracket Symbols / Equivalence Symbols / Geometry Symbols / Greek Alphabet / Miscellaneous Symbols / Roman Numerals / Set Symbols / Square Root Symbols

Nomenclature & Symbols for Engineering, Mathematics, and Science 

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Materials Nomenclature & Symbols

• \( MATL \)  -  material
• \( ML \)  -  material list