amethyst

[ am-uh-thist ]
/ ˈæm ə θɪst /

noun

a purple or violet quartz, used as a gem.
a purplish tint.

adjective

having the color of amethyst.
containing or set with an amethyst or amethysts: an amethyst brooch.

Origin of amethyst

1250–1300; < Latin amethystus < Greek améthystos not intoxicating, not intoxicated (so called from a belief that it prevented drunkenness), equivalent to a- a-6 + methys- (variant stem of methýein to intoxicate; see methylene) + -tos verbal adjective suffix; replacing Middle English ametist < Anglo-French ametiste < Latin

Related forms

am·e·thys·tine [am-uh-this-tin, -tahyn] /ˌæm əˈθɪs tɪn, -taɪn/, adjectiveam·e·thyst·like, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for amethyst

British Dictionary definitions for amethyst

amethyst

/ (ˈæmɪθɪst) /

noun

a purple or violet transparent variety of quartz used as a gemstone. Formula: SiO 2
a purple variety of sapphire; oriental amethyst
the purple colour of amethyst

Derived Forms

amethystine (ˌæmɪˈθɪstaɪn), adjective

Word Origin for amethyst

C13: from Old French amatiste, from Latin amethystus, from Greek amethustos, literally: not drunken, from a- 1 + methuein to make drunk; referring to the belief that the stone could prevent intoxication
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

Science definitions for amethyst

amethyst

[ ămə-thĭst ]

A purple or violet, transparent form of quartz used as a gemstone. The color is caused by the presence of iron compounds in the crystal structure.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.