Also found in: Encyclopedia, Wikipedia.


1. A rock formation that resembles beads, found in glassy igneous rocks.
2. Archaic A pearl.

[Ultimately from Greek margarītēs, pearl, perhaps of Iranian origin; perhaps akin to Avestan mərəγa-, bird (since the two valves of some pearl-bearing bivalves resemble a pair of bird wings when spread open) .]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


1. (Minerals) a pink pearly micaceous mineral consisting of hydrated calcium aluminium silicate. Formula: CaAl4Si2O10(OH)2
2. (Geological Science) an aggregate of minute beadlike masses occurring in some glassy igneous rocks
[C19: via German from Greek margaron pearl]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈmɑr gəˌraɪt)

Archaic. a pearl.
[before 1000; Middle English, Old English: pearl < Latin margarīta < Greek margaritēs]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in classic literature ?
In Lodge's strange romance A Margarite of America, it was stated that in the chamber of the queen one could behold "all the chaste ladies of the world, inchased out of silver, looking through fair mirrours of chrysolites, carbuncles, sapphires, and greene emeraults." Marco Polo had seen the inhabitants of Zipangu place rose-coloured pearls in the mouths of the dead.
Filly, 2 yrs old: 1 Charlotte Young, Doura Margarite. Colt/Gelding, 2 yrs old: 1 Fiona Filshie, Glen Molochan Cottage, Luss, Charlie.Yearling Filly: 1 J M McMillan, Mill Lady Beth; 2 Jim Neil, Rossiebank Farm Dunning, Rossie Moira; 3 Matthew Carrick, Littleward Farm,Thornhill, Littleward Rebecca.
Nettie is preceded in death by her husband Richard of 57 years, her sisters-in-law Mary Panek, Teresa Panek, Margarite Galla, and brothers Joseph (the big guy) and Ronald Panek.
Figure 4(a) shows that the corroded concrete mainly consists of gypsum (CaS[O.sub.4] x 2[H.sub.2]O), quartz (Si[O.sub.2]), albite (NaAl[Si.sub.3][O.sub.8]), margarite (Ca[Al.sub.2]([Al.sub.2][Si.sub.2])[O.sub.10][(OH).sub.2]), and calcite (CaC[O.sub.3]).
Fernandez- Olmos, Margarite, and Lizabeth Paravisini-Gebert, editors.
Deepest sympathy to Margarite, Chris and family on the sad loss of Kelly.
As creative director for Bunny Williams Home, the eponymous online arm of the interior designer, Audrey Margarite, 38, takes the lead on design management, product development and cultivation and direction of vendor relationships.
The following people are "lost sheep"--current IHS members who have not submitted address corrections or updates, and are no longer receiving IHS mailings: Katy Ambrose, Burke Anderson, Matthew Anderson, Celso Benedito, Arryn Bess, Richard Chenoweth, Victoria Eisen, Elaine Friedlander, Kristina Gannon, Gustavo Garcia Trindade, Nicholas Gasemy, George Gelles, Tiago Gongalves Carneiro, Donald Harvey, Olivier Huebscher, Gregory Kalin, Isaque Marcelo de Almeida, Philip Munds, Julius Pranevicius, Bennett Robinson, Arthur Schwartz, Faith Skinner, Margarite Waddell, Cameron Wray, and Kestrel Wright.
Early in the day, the WVSMA contingent met with Margarite Garikes and Debra Cohn from the American Medical Association federal affairs unit.