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Meaning ofprincipalin English

principal

#common#toeic#b2#c1

Pluralprincipals

Definitions

Adjective
1. most important or high-ranking (in status, role, etc.)
2. a primary value (in math functions); single-valued
  The math function had a principal value that was used to calculate the result.
Noun
1. initial invested money; basis for interest
2. chief school administrator (US, Canada, etc.)
  The principal of the high school greeted the new students.
3. university chief executive; academic officer
  The university principal is responsible for academic affairs.
4. business owner or partner (company)
  As the principal owner, she made key decisions for the company.
5. security identity (computing context)
  In computing, a principal is an identity that can be authenticated.
6. a person authorizing an agent; legal representative
  The lawyer acted as the principal for the client in court.
7. primary participant in a crime
  The police identified the principal suspect in the robbery case.