(geology, Paleontology) A subdivision of geologic time that divides an eon into smaller timeframes.

The current date era beginning approximately 2000 years ago in the Gregorian calendar, based on the (assumed) birth of Jesus Christ.

plural of erabutoxin

(biochemistry) Any of a class of neurotoxic proteins found in venom of the sea snake of the genus Laticauda

Alternative form of Common Era

Synonym of Common Era

epoch-making

plural of era name

The regnal year, reign period, or regnal title used when traditionally numbering years in an emperor's reign and naming certain Chinese rulers.

(baseball) The period after about 1919, following the dead-ball era.