The "E" in B.C.E. (3 letters)

{ Answer }

ERA

{ Related Clues }

Age
Epoch
All alternative
Baseball stat
Caesarean or Actian
Geology topic
___ of Good Feeling
Guidry stat.
Historic period
Historic time
Historical period
Julian or Varro
Notable period
Pitching stat
Proposal of 3/22/72
Several periods
Span of time
Stat for Saberhagen
Bygone polit. cause
Feminist's cause, for short
Former polit. cause
Proposal before the states
Roaring Twenties, e.g.
Time for the history books
Two or more periods

{ Tags }

age, amendment, baseball, big, cause, eg, epoch, era, feeling, good, historic, historical, history, notable, now, period, pitchers, pitching, stat, time, victorian

{ Notes }

The answer ERA is very common and appears about once every 16.5 puzzles.

{ Definition }

ERA as a noun:

1. (era, epoch) = a period marked by distinctive character or reckoned from a fixed point or event

2. (era, geological era) = a major division of geological time; an era is usually divided into two or more periods

3. (earned run average, ERA) = (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