vacuüm

Etymology
From, from , the substantive neuter of the adjective ; spelt with a diæresis added to specify the trisyllabic pronunciation (as opposed to the disyllabic * ).

Etymology
From, the substantivized neuter of the adjective.

Noun

 * 1) A vacuum
 * 2)  emptiness, meaninglessness

Adjective

 * 1) In or constituting a vacuum.
 * 2)  empty, meaningless