Skip to content

Music theory definition

Minor interval

A major interval made a half step smaller.

Hear an example

Play the example and listen for the idea described above.

One half step smaller or larger

  • − ½ →
  • /perfect + ½ →
  • /perfect − ½ →

Learn it in context

This term is introduced in Unit 5: Intervals. Work through the explanations and exercises to connect the definition with music.

Explore with an interactive tool

  • Interval trainer

    Explore every interval with sound and sight, or train your ear with the intervals you choose.

Interval
The distance between two notes, named by number (how many letters) and quality.
Perfect interval
Unisons, 4ths, 5ths, and octaves in their natural size. They sound open and stable.
Major interval
The larger form of a 2nd, 3rd, 6th or 7th - the size found above the tonic of a major scale.
Augmented
A half step larger than perfect or major.
Diminished
A half step smaller than perfect or minor.
Tritone
An interval of three whole steps (six half steps) - an augmented 4th or diminished 5th. Famously restless.
Browse all music theory terms