Is that milk is (uncountable) a white (or whitish) liquid obtained from a vegetable source such as soy beans, coconuts, almonds, rice, oats also called non-dairy milk while silk is (uncountable) a fine, soft cloth woven from silk fibers. Nov 5, 2017 - Making the switch from cow's milk to non-dairy milk felt like a no-brainer. Then I learned more and stopped drinking alternative milks.