Fdim

F1A♭♭3C♭♭5

Two minor thirds stacked. The fifth is diminished, so it cannot be dropped without losing the chord.

on ukulele on piano the scale

Every fingering that fits a hand

Fig. 2

xx3404

easy

Fig. 3

xx3101

open

Fig. 4

12310x

moderate · barre

Fig. 5

xx3104

easy

Fig. 6

123104

hard · barre

What is true of it

Fdim is F, A♭ and C♭ — 1, b3 and b5 counted from F.

The easiest of the 5 fingerings below is xx3404: 3 fingers, held at the 3rd fret.

1 of them use open strings, which is what makes a shape quiet to change to.

2 of the 5 need a barre.

2 strings stay silent.

Where its notes are on the neck

Fig. 7 — first 12 frets

The brass dots are F, the root. Everything else is a chord tone with its degree printed in it.

With a different note underneath

first inversion

Fdim/A♭

42340x

second inversion

Fdim/C♭

x23101

An inversion is the same chord with a different note lowest. The name changes to a slash name because the bass is what a listener hears as the foundation.

F in other shapes

Fmajor Fmminor Faugaugmented F5power chord Fsus2suspended second Fsus4suspended fourth

Cdim C♯dim D♭dim Ddim D♯dim E♭dim Edim F♯dim all 374