noun a number that is one more than seven and one less than nine
adjective amounting to one more than seven
pronoun referring to the number eight
In music theory, an octave consists of eight notes.
The number eight is used in various mathematical calculations and equations.
In computing, 8-bit refers to a data unit size of eight bits.
In the game of pool, the eight ball is the last ball to be pocketed.
There are eight hours in a typical workday.
In writing, 'eight' can be used to describe the number of chapters in a book or the number of lines in a stanza.
In psychology, 'eight' can be used to refer to the age at which certain cognitive developments typically occur.
In architecture, 'eight' can be used to describe the number of sides in an octagonal building or structure.
In accounting, 'eight' can be used to refer to the eighth column in a financial statement or spreadsheet.
In engineering, 'eight' can be used to describe the number of bits in a byte or the number of cylinders in an engine.