Causes of a ruptured, or perforated, eardrum may include: 1  Middle ear infection (otitis media). 2  A middle ear infection often results in the accumulation of fluids in your middle ear. 3  Pressure from these fluids can cause the eardrum to rupture.auses of a ruptured, or perforated, eardrum may include: 1  Middle ear infection (otitis media). 2  A middle ear infection often results in the accumulation of fluids in your middle ear. 3  Pressure from these fluids can cause the eardrum to rupture.
Wiktionary(3.00 / 1 vote)Rate this definition: 1  speculation(Noun) The process of thinking or meditating on a subject. 2  speculation(Noun) A judgment or conclusion reached by speculating. 3  speculation(Noun) An investment involving higher than normal risk in order to obtain a higher than normal return.
Definition of 'hoax'. hoax (hoÊks ) A hoax is a trick in which someone tells people a lie, for example that there is a bomb somewhere when there is not, or that a picture is genuine when it is not. A series of bomb hoaxes has disrupted Christmas shopping in the city centre. He denied making the hoax call but was convicted after a short trial.