Example: My first initial is J for Joe
The results of her research were conclusive to her initial hypothesis.
After an initial bid of $10 the bidding rose to $25.
The initial incident was thought to be minor, but it soon escalated into a multi-service operation.
You can use the word "initial" in a sentence to refer to the first letter of a word or as an adjective to describe something that occurs at the beginning of a process or action. For example, "Please write your initials on the top of the page" and "We will need your initial approval before moving forward with the project."
Management was not willing to accede to labor's initial demands.
The sandbagged defenses sufficiently withstood the initial attack.
It's both. In the sentence "My initial reaction was horror", it is an adjective; in the sentence "Write your initial in the box", it is a noun.
I would use it correctly in a sentence, of course. Thank you for asking.
Jarry use paroxysm in a sentence.\
My middle initial is M.
Would not that be "Would not that be?"?
I would use the word "theory" in a sentence like this: "The scientist presented a new theory to explain the findings of the experiment."