diluent

In some instances it would be advantageous to have prepared diluent on hand for use at any time.

For detonating dynamite, guncotton, &c. , it is generally employed without admixture of a diluent.

Nitrogen, which constitutes about four fifths of its volume, has been supposed to act as a mere diluent to the oxygen.

In fact, nitrogen seems to act in the animal economy purely as a diluent or vehicle for the administration of oxygen.

Or, in determining its percentage composition when the amount of fat, protein, carbohydrate and diluent is given.