The high occupancy vehicle lane is reserved for cars with multiple passengers.

She is a strict vegetarian.

She follows a strict vegetarian diet.

She follows a semi-vegetarianism diet, which allows her to eat some meat occasionally.

She follows a semi-vegetarian diet.

She follows a semi-vegetarian diet, which means she occasionally eats meat.

Many vegans and vegetarians attended the conference.

Vector fields are used in physics to represent the direction and magnitude of a physical quantity at every point in space.

The vector products of the two vectors are perpendicular to both vectors.

Vector functions are used in physics to describe the motion of objects.