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prin•ci•pal(ˈprɪn sə pəl)
In Britain, the teacher in charge of a school is called the headmaster or headmistress. In America, these terms refer only to teachers in charge of private schools. The teacher in charge of any other kind of school is called the principal.
In Britain, the person in charge of a college is often called a principal. In the United States, the person in charge of a college is usually called a president.
Principal can be an adjective or a noun.
The principal thing or person in a group is the most important one.
The principal of a school or college is the person in charge of it.
Principle is always a noun. A principle is a general rule that someone's behaviour or ideas are based on.
|Noun||1.||principal - the original amount of a debt on which interest is calculated|
debt - money or goods or services owed by one person to another
loan - the temporary provision of money (usually at interest)
|2.||principal - the educator who has executive authority for a school; "she sent unruly pupils to see the principal"|
chancellor - the honorary or titular head of a university
headmistress - a woman headmaster
|3.||principal - an actor who plays a principal role|
co-star - one of two actors who are given equal status as stars in a play or film
|4.||principal - capital as contrasted with the income derived from it|
capital - wealth in the form of money or property owned by a person or business and human resources of economic value
|5.||principal - (criminal law) any person involved in a criminal offense, regardless of whether the person profits from such involvement|
criminal law - the body of law dealing with crimes and their punishment
|6.||principal - the major party to a financial transaction at a stock exchange; buys and sells for his own account|
broker-dealer - a financial specialist who trades for his own account and so acts both as a broker and principal
|Adj.||1.||principal - most important element; "the chief aim of living"; "the main doors were of solid glass"; "the principal rivers of America"; "the principal example"; "policemen were primary targets"; "the master bedroom"; "a master switch"|
main minor, subsidiary, subordinate, inferior, supplementary, auxiliary
our principal concern is the well-being of our children → nuestra mayor or principal preocupación es el bienestar de nuestros hijos
principal (not principle) of the college.