1. onset - Noun
2. onset - Verb
A rushing or setting upon; an attack; an assault; a storming; especially, the assault of an army.
A setting about; a beginning.
Anything set on, or added, as an ornament or as a useful appendage.
To assault; to set upon.
To set about; to begin.
Source: Webster's dictionarythe attack began at dawn Source: Internet
the onset of pneumonia Source: Internet
A 47-year-old incarcerated man died from COVID-19 on Thursday, the 11th inmate to die from the virus since the onset of the pandemic. Source: Internet
36–39 repeats result in a reduced- penetrance form of the disease, with a much later onset and slower progression of symptoms. Source: Internet
Abbeys were the onset to larger villages and even some towns. Source: Internet
Abbeys were the onset to larger villages and even some towns to reshape the landscape. Source: Internet