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alias

[ey-lee-uh s] /ˈeɪ li əs/
noun, plural aliases.
1.
a false name used to conceal one's identity; an assumed name:
The police files indicate that “Smith” is an alias for Simpson.
adverb
2.
at another time; in another place; in other circumstances; otherwise. “Simpson alias Smith” means that Simpson in other circumstances has called himself Smith.
Origin of alias
1525-1535
1525-35; < Latin aliās (adv.): at another time, otherwise; cf. else
Synonyms
1. nom de guerre; nom de plume, pseudonym.

alias dictus

[ah-lee-ahs dik-too s; English ey-lee-uh s dik-tuh s] /ˈɑ li ɑs ˈdɪk tʊs; English ˈeɪ li əs ˈdɪk təs/
adverb, Latin.
1.
otherwise called; alias.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for alias

alias

/ˈeɪlɪəs/
adverb
1.
at another time or place known as or named: Dylan, alias Zimmerman
noun (pl) -ases
2.
an assumed name
Word Origin
C16: from Latin aliās (adv) otherwise, at another time, from alius other
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
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Word Origin and History for alias
adv.

mid-15c., "otherwise called," from Latin alias "at another time, in another way," from alius "(an)other," from PIE *al- "beyond" (cf. Sanskrit anya "other, different," Avestan anya-, Armenian ail, Greek allos "another," Gothic aljis "other," Old English elles "otherwise, else," Modern English else).

n.

"assumed name," c.1600, from alias (adv.).

Online Etymology Dictionary, © 2010 Douglas Harper
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