pearlite

[ pur-lahyt ]
/ ˈpɜr laɪt /

noun

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

Origin of pearlite

First recorded in 1885–90; pearl1 + -ite1

OTHER WORDS FROM pearlite

pearl·it·ic [pur-lit-ik] /pɜrˈlɪt ɪk/, adjective

Definition for pearlite (2 of 2)

perlite

or pearl·ite

[ pur-lahyt ]
/ ˈpɜr laɪt /

noun Petrography.

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

Origin of perlite

From French, dating back to 1825–35; see origin at pearl1, -ite1

OTHER WORDS FROM perlite

per·lit·ic [pur-lit-ik] /pɜrˈlɪt ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for pearlite

British Dictionary definitions for pearlite (1 of 2)

pearlite
/ (ˈpɜːlaɪt) /

noun

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

Derived forms of pearlite

pearlitic (pɜːˈlɪtɪk), adjective

British Dictionary definitions for pearlite (2 of 2)

perlite

pearlite

/ (ˈpɜːlaɪt) /

noun

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

Derived forms of perlite

perlitic or pearlitic (pɜːˈlɪtɪk), adjective

Word Origin for perlite

C19: from French, from perle pearl 1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012