mutualizāˈtion or mutualisāˈtion noun

muˈtualize or muˈtualise transitive verb

To put upon a mutual footing

muˈtually adverb

mutual admiration society noun (facetious)

A group of people or circle of friends lavish in their praise of each other

mutual friend noun (Dickens)

A common friend

mutual funds plural noun (US)

Unit trusts

mutual improvement society noun

A society whose members meet to hear lectures, read essays, hold debates, etc, in order to stimulate each other to improve in knowledge and in public speaking

mutual inductance noun (electronics)

The generation of electromotile force in one system of conductors by a variation of current in another system linked to the first by magnetic flux

mutual inductor noun (electronics)

A component consisting of two coils designed to have a definite mutual inductance

mutual mistake noun (law)

The situation arising when parties to a contract are at cross-purposes as to its subject or terms

mutual wall noun

A wall equally belonging to each of two houses