plastic (n)
/ˈplæs.tɪk/
an artificial substance that can be shaped when soft into many different forms and has many different uses

platinum (n)
/ˈplætnəm/
a silver-gray precious metal, used in making expensive jewelry and in industry

aluminium (n)
/ˌæl.jəˈmɪn.i.əm/
a light silver-coloured metal that is used for making things such as pans for cooking

crystal (n)
/ˈkrɪstl/
a clear mineral, such as quartz, used in making jewelry and decorative objects

symbol (n)
/ˈsɪmbl/
a sign, number, letter, etc. that has a fixed meaning, especially in science, mathematics, and music

balloon (n)
/bəˈlun/
a small bag made of very thin rubber that becomes larger and rounder when you fill it with air


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