›[C or U]a physical substance that things can be made from: The cost of labour and materials has risen up to 40% in a short period.building/construction materialsThe buildings also use recycled building materials and consume less water.traditional/natural/recycled materialsThere is increasing demand for products made from recycled materials.hazardous/toxic/radioactive material
›[U or plural]printed documents, books, computer programs, etc. that give information, especially ones intended for a particular purpose: publicity/marketing/promotional materialAccording to their publicity material, the new rates are the lowest in the UK.teaching/training materialsThe video and other training materials were created in-house.printed/published materialSome people prefer to receive information face-to-face, rather than through published material.
›[U]information used when writing something: She gave me a lot of useful material for my presentation.The journalist had been collecting material for an article on the President.