During the ten years the Senate met in that chamber political parties became the principal determinant of legislative debate and accomplishment.

They conduct themselves, according to Parsons, in a fashion "analogous to the scientist whose knowledge is the principal determinant of his action."

The vessel diameter is the most principal determinant to control resistance.

The principal tactical determinant is the wind.

Hemoglobin is the principal determinant of the color of blood in vertebrates.

A principal determinant of energy consumption in aircraft is drag, which must be opposed by thrust for the aircraft to progress.

Despite the influence of interest rates, the movement of the underlying share price is the principal determinant of changes in option premiums.

Indeed, the principal determinant of who was allowed into the country for decades, until the laws changed in 1965, was white European ancestry.

The primary axis was the principal determinant of cache position in communally built structures.

The total mass of a star is the principal determinant of its evolution and eventual fate.