Quick Quiz: Nouns Score: Change category, Flip order Reset Correct! Noun: field-sequential color tv Your choice? an early form of color TV in which successive fields are scanned in three primary colors a person motivated by irrational enthusiasm (as for a cause) an extra wheel and tire a knot having the shape of the numeral 8; tied in a rope that has been passed through a hole or pulley and that prevents the rope from coming loose