Emetophobia in which the phobic person will go to great lengths to avoid even potential situations that could even be perceived as "threatening". Emetophobia is clinically considered an "elusive predicament" because limited research has been done pertaining to it. The fear of vomiting receives little attention compared with other irrational fears. Frank M. Dattilio. "Emetic Exposure and Desensitization Procedures in the Reduction of Nausea and a Fear of Emesis." "Clinical Case Studies" 2.3 (2003): 199-210.</ref> The event of vomiting may make anyone with this peculiar phobia flee the scene. Some may fear someone throwing up, while others may fear themselves throwing
Quasiperiodic function periodic functions and that article should be consulted. The more vague and general notion of quasiperiodicity has even less to do with quasiperiodic functions in the mathematical sense. A useful example is the function: If the ratio "A"/"B" is rational, this will have a true period, but if "A"/"B" is irrational there is no true period, but a succession of increasingly accurate "almost" periods. Quasiperiodic function In mathematics, a quasiperiodic function is a function that has a certain similarity to a periodic function. A function formula_1 is quasiperiodic with quasiperiod formula_2 if formula_3, where formula_4 is a ""simpler"" function than