annum
n. countablen. a word for one year. It is mostly used in business or science to talk about how much something costs or happens every year.
n. a period of one year. Typically used in formal financial or scientific contexts to specify a rate or frequency per year.
The interest rate is five percent per annum.
The contract states that the employee will receive twenty-five days of paid leave per annum.
In astronomical terms, the orbital period of the planet is measured per annum, reflecting its journey around the star relative to Earth's calendar year.
From Latin per annum (“yearly”), from annus (“year”).
Almost exclusively used in the Latin phrase 'per annum' to mean 'each year' or 'annually'.
The salary is 50,000 per annumlyThe salary is 50,000 per annumLearners often confuse the noun 'annum' with the adverb 'annually'; 'per' must be followed by the noun.