"initial trigger" is an acceptable phrase in written English.
It is typically used to describe an event or action that sets off a chain of other events/actions. For example: "The initial trigger for the stock market crash of 1929 was a period of unchecked speculation."
The initial trigger was curiosity.
In many people with pericarditis, the initial trigger is a viral infection.
Remember: the initial trigger for the outrage over the Facebook study was that it manipulated the emotions of users.
He remains firm-footed at the crease after his initial trigger movement and he has been tormented by bowlers of such a name.
The primary science event is not affected, since once event processing starts with the initial trigger pulse, a gate rejects further pulses until processing is complete.
This suggests that there was an initial trigger (insolation changes) that caused a larger response (largely CO2 feedbacks) that then drove the magnitude of oscillations.
Here we report that Rho-kinase 1 (regulatesguleptinleptin action on body weight homeostasis by activating JAK2, an initial trigger of leptin receptor signaling.
This proposal suggests an initial trigger of $25 per tonne of carbon (adding six cents a gallon to the price of petrol); others would set it much higher.
In response to the outrage, Duncan Watts, a researcher for Microsoft, wrote that: Remember: the initial trigger for the outrage over the Facebook study was that it manipulated the emotions of users.
The initial trigger for the latest political crisis were the attempts by Ms. Yingluck's party to institute an amnesty program that could have allowed Mr. Thaksin to return from exile.
But road safety was the initial trigger, he says - worries about pupils darting across Monkwood Road to Chubby's and Keith Allgood's chip shop - along with complaints about litter and pupil behaviour.
