| Library / English Dictionary |
ERA
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
(baseball) a measure of a pitcher's effectiveness; calculated as the average number of earned runs allowed by the pitcher for every nine innings pitched
Synonyms:
earned run average; ERA
Classified under:
Nouns denoting communicative processes and contents
Hypernyms ("ERA" is a kind of...):
criterion; measure; standard; touchstone (a basis for comparison; a reference point against which other things can be evaluated)
Domain category:
ball; baseball; baseball game (a ball game played with a bat and ball between two teams of nine players; teams take turns at bat trying to score runs)
Sense 2
Meaning:
A major division of geological time; an era is usually divided into two or more periods
Synonyms:
era; geological era
Classified under:
Nouns denoting time and temporal relations
Hypernyms ("era" is a kind of...):
geologic time; geological time (the time of the physical formation and development of the earth (especially prior to human history))
Meronyms (parts of "era"):
geological period; period (a unit of geological time during which a system of rocks formed)
Instance hyponyms:
Age of Mammals; Cenozoic; Cenozoic era (approximately the last 63 million years)
Age of Reptiles; Mesozoic; Mesozoic era (from 230 million to 63 million years ago)
Paleozoic; Paleozoic era (from 544 million to about 230 million years ago)
Holonyms ("era" is a part of...):
aeon; eon (the longest division of geological time)
Sense 3
Meaning:
A period marked by distinctive character or reckoned from a fixed point or event
Synonyms:
epoch; era
Classified under:
Nouns denoting time and temporal relations
Hypernyms ("era" is a kind of...):
period; period of time; time period (an amount of time)
Hyponyms (each of the following is a kind of "era"):
day (an era of existence or influence)
age; historic period (an era of history having some distinctive feature)
modern era (the present or recent times)
Instance hyponyms:
Caliphate (the era of Islam's ascendancy from the death of Mohammed until the 13th century; some Moslems still maintain that the Moslem world must always have a calif as head of the community)
Christian era; Common era (the time period beginning with the supposed year of Christ's birth)
Context examples:
Alas! the readers of our era are less favoured.
(Jane Eyre, by Charlotte Brontë)
New observations reveal that its regions formed separately over multiple eras of star birth.
(SOFIA Reveals How the Swan Nebula Hatched, NASA)
An epoch of the early Tertiary period, found in-between the Oligocene and the Pliocene eras.
(Miocene epoch, NOAA Paleoclimate Glossary)
Geologic time is broken down into eons, eras, periods and epochs.
(Geologic time scale, NOAA Paleoclimate Glossary)
The DNA was recovered from the only human remains discovered from the era – two tiny milk teeth – that were found in a large archaeological site found in Russia near the Yana River.
(DNA from 31,000-year-old milk teeth leads to discovery of new group of ancient Siberians, University of Cambridge)
Since the Victorian era, diatoms have been known as the "glass houses of the sea" because of their beautiful cell walls made of silicon dioxide, or glass.
(Algae-killing viruses spur nutrient recycling in oceans, National Science Foundation)
“The advent of the Internet of Things, Industry 4.0 and the 5G era represent unique opportunities for graphene to demonstrate its ultimate potential.”
(Graphene may exceed bandwidth demands of future telecommunications, University of Cambridge)
For colorful, graceful sea fans swaying on coral reefs in the waters around Puerto Rico, copper is an emerging threat in an era of warming oceans.
(Sea fan corals face new threat in warming ocean: copper, National Science Foundation)
Our goal in the next era of gravitational wave astronomy is to capture multiband observations of these frequencies to 'hear the entire song,' as it were, when it comes to black holes.
(Observing 'black hole symphony' using gravitational wave astronomy, National Science Foundation)
You might be cataloging music of a particular era to be sure it is preserved and protected.
(AstrologyZone.com, by Susan Miller)
