Homogenous, or homogenicity.
There does not appear to be a scientific name for milk. There is one for milk THISTLE, silybum marianum, but this is a type of plant. Sometimes lactose is associated with the word milk to the point that it is almost synonymous, but lactose actually refers to a sugar found in milk.
and
one word is (intestine) or infection
Scientific theory is two words.
The odd one out among butter, milk, cream, and cheese is milk because the rest are 6-letter words, but it is a 4-letter word.
One scientific word that begins with "B" is "biology," which is the study of living organisms.
The scientific term for separating is "extraction." It refers to the process of separating one substance from another using physical or chemical methods.
The first one to come to mind would be "carton of milk".
The scientific word that means to see is "visualize." It refers to mentally creating images or representations in one's mind.
Formula
This question is of particular interest because the person asking it is under the mistaken impression that scientific notation is one word and not two.
No one in the scientific community would ever ask a question like this.