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noun
1.
a period of time marked by distinctive character, events, etc.: The use of steam for power marked the beginning of an era.
2.
the period of time to which anything belongs or is to be assigned: She was born in the era of hansoms and gaslight.
3.
a system of chronologic notation reckoned from a given date: The era of the Romans was based upon the time the city of Rome was founded.
4.
a point of time from which succeeding years are numbered, as at the beginning of a system of chronology: Caesar died many years before our era.
5.
EXPANDa date or an event forming the beginning of any distinctive period: The year 1492 marks an era in world history.
6.
COLLAPSEGeology. a major division of geologic time composed of a number of periods.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Eras
is always a great word to know.
So is doohickey. Does it mean:
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| a gadget; dingus; thingumbob. |
Etymonline
Word Origin & History
era
1615, from L.L. æra, era "an era or epoch from which time is reckoned," probably identical with L. æra "counters used for calculation," pl. of æs (gen. æris) "brass, money" (see ore). The L. word's use in chronology said to have begun in 5c. Spain (where,
EXPANDfor some reason unknown to historians, the local era began 38 B.C.E.; some say it was because of a tax levied that year). Like epoch, in Eng. it originally meant "the starting point of an age;" meaning "system of chronological notation" is c.1646; that of "historical period" is 1741.
COLLAPSE
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
era  (îr'ə) Pronunciation Key
A division of geologic time, longer than a period and shorter than an eon. |
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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