blue shift

See also: blueshift

English

Etymology

From blue +‎ shift, referring to the Democratic Party's political color.

Noun

blue shift (uncountable)

1. (US politics) An observed phenomenon in which an apparent early Republican lead after the polls close on the night of an election is diminished by the counting of mail-in ballots later in the evening or in the days after Election Day.

   Synonym: red mirage

2. (physics) Alternative form of blueshift

Further reading

• blue shift (politics) on Wikipedia.Wikipedia