noun
mass noun(in science fiction) an ultra-strong non-metallic material.
‘the plasteel door of the airlock’- ‘The buildings grew and coated themselves in plasteel.’
- ‘The last glass door wasn't really glass, but a blue bullet and shatterproof plasteel.’
- ‘The police, with their sleek black helmets and plasteel armor had demanded a thousand dollars extra for the marine.’
- ‘She wore battered and much-mended blast armor, rewelded along old fault lines and coated with a plasteel compound he knew would deflect even the most powerful of blaster bolts.’
- ‘Fortunately for Mark, he was behind the plasteel windshield on the lift, or he might have been killed.’
Origin
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