pearlite


pearlite

noun

  1. Metallurgy. a microscopic lamellar structure found in iron or steel, composed of alternating layers of ferrite and cementite.
  2. Petrography. perlite.

noun Petrography.

  1. a volcanic glass in which concentric fractures impart a distinctive structure resembling masses of small spheroids, used as a plant growth medium.

noun

  1. the lamellar structure in carbon steels and some cast irons that consists of alternate plates of pure iron and iron carbide
  2. a variant spelling of perlite

noun

  1. a variety of obsidian consisting of masses of small pearly globules: used as a filler, insulator, and soil conditioner

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