There is no such word. -You may mean 'mainstay' -which is the principal support of something.
"Principal de la universidad" in English can be translated as "University President" or "Chancellor of the University", depending on the specific role and title of the individual in charge of leading the university.
Principal differences are the most important differences
My principal is so mean that we have to come to school on weekends. or I love how honest and trustworthy your principal is.
principal(in terms of math)- the amount you borrow or deposit
The independent
If you teacher is truly mean and unreasonable, tell your parents and the principal or vice principal. Do not confront the teacher yourself.
for the charge of child abuse ISI (principal), what does that mean? what is the ISI and principal for?
"Ex-principal" = former principal, or former head administrator of a school, typically K-12.
main, major
A chain of command is basically a reporting protocol The teacher would report to a mentor, the vice principal, or principal (this depends on your school) The vice principal reports to the principal The principal reports to the superintendent
The principal square root is the non-negative square root.