Initial onset Synonyms

Initial replaced

beginning onset

Definitions for Initial

(adjective) coming before all others in time or order
(adjective) occurring at the beginning
(noun) the first letter of a word (especially a person's name)

IO abbreviation

IO is an abbreviation for Initial Onset

What does IO stand for?

IO stands for "Initial Onset"

Onset replaced

initial appearance

initial attack

initial assault

initial outbreak

initial strike

initial opening

initial charge

initial arrival

initial approach

initial onslaught

initial start

initial inception

Definitions for Onset

(noun) the act or action of setting upon with force or violence
(noun) the point at which something begins
(noun) the beginning or early stages