Meaning of microcrystalline wax in English:

microcrystalline wax

noun

  • A type of wax made of a mixture of hydrocarbons of higher molecular weight than those in paraffin waxes, and with a melting point of up to 90°C, which is obtained from the residual lubricating fraction of crude oil and is used in making waxed paper, adhesives, and polishes.

Origin

1940s.