4 (Physics) a particular stage in a periodic process or phenomenon. 5 â¦ in phase (of two waveforms) reaching corresponding phases at the same time. 6 â¦ out of phase (of two waveforms) not in phase. 7 (Chem) a distinct state of matter characterized by homogeneous composition and properties and the possession of a clearly defined boundary.
1 Close contact with strep: the child lives in a home where a sibling, parent or other household member has a throat culture or rapid-strep test that is positive for strep throat. 2  Usually the contact is within the previous 7 days (reason: incubation period for strep is 2 to 5 days).ymptom Definition. 1  Close contact with strep: the child lives in a home where a sibling, parent or other household member has a throat culture or rapid-strep test that is positive for strep throat. 2  Usually the contact is within the previous 7 days (reason: incubation period for strep is 2 to 5 days).
In the past, when people had signs of strep -- the red, raw throat, spikes in fever, and white spots on the tongue and tonsils -- doctors would culture a specimen from the patient's throat and wait 24 hours to 48 hours for the results.If the test indicated streptococcus, the patient could then start taking antibiotics.he contagious period is over after being on antibiotics for 24 hours. Relief from the sore throat should come within 24 hours to 36 hours after you start taking antibiotics.