Expanded uncertainty. quantity defining an interval about the result of a measurement that may be expected to encompass a large fraction of the distribution of values that could reasonably be attributed to the measurand.
Introduction. 'Phantosmia' is the medical term for an imaginary odour (phantom smell) . It is also known as an olfactory hallucination. The smell is unique to the person and is usually unpleasant, spoiling the taste of any food or drink consumed.It can be in one or both nostrils.ess commonly, the cause of phantosmia is either nerve cells sending abnormal smell signals to the brain, or a problem with the brain itself. This may be the result of: 1  a disease affecting the nervous system, such as epilepsy, Parkinsonâs disease or Alzheimerâs disease. 2  a stroke.
Also found in: Dictionary, Thesaurus, Medical, Wikipedia. Pathol the state or condition of being unable to open the mouth because of sustained contractions of the jaw muscles, caused by a form of tetanus. a tonic contraction of the masticatory muscles; a form of spasm. Trismus is a characteristic symptom of tetanus, and it frequently accompanies inflammations in the region of the lower jaw and masticatory muscles; it also occurs in cases of meningitis, cerebral hemorrhage, and various other disorders.