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.
Usually, when someone says law or principle, they are referring to a general idea that has been found to apply to many different situations, but not always. More speculative ideas are generally called theories, but use of the word theory does not always mean that an idea is speculative.