Children attend primary school, and teenagers attend secondary school.
adjective Main; principal; chief; placed ahead of others.
adjective Earliest formed; fundamental.
adjective Illustrating, possessing, or characterized by, some quality or property in the first degree; having undergone the first stage of substitution or replacement.
adjective Relating to the place where a disorder or disease started to occur.
adjective Relating to day-to-day care provided by health professionals such as nurses, general practitioners, dentists etc.
noun A primary election; a preliminary election to select a political candidate of a political party, or the first round of a two-round election.