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

Any of several periods of history noted for a particular style of art, architecture, literature or music termed classical

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

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

(baseball) The period between around 1900 and 1919, characterized by low scoring games with few home runs.

(historical) The time period between 1611 and 1721 when the Swedish Empire thrived in Europe.

(biochemistry) A ubiquitin-containing protein that is involved in the degradation of the proteins of the endoplasmic reticulum

An instrument used to remove ink from a writing surface, either (traditionally) a metal scraper or (more recently) a special pen dispensing a chemical that eradicates ink.

A fine eraser, user to erase individual lines of written text

In an erasable way.