a basal reader.
a master switch.
a primary effect.
a primary instinct.
a primary interest.
an elementary need for love and nurturing.
current through the primary coil induces current in the secondary coil.
policemen were primary targets.
primary goals.
primary sources.
the chief aim of living.
the main doors were of solid glass.
the master bedroom.
the principal example.
the principal rivers of America.