Subingression

[T]vvo very volatile Liquors, vvhich being gently put together are as clear as Rock-vvater, and yet vvill almoſt in a moment, vvithout the ſub-ingreſſion of Air to turn them into Bubbles, ſo alter the diſpoſition of their inſenſible parts, as to become a vvhite and conſiſtent Body.