Bible Dictionaries
Emulsion

Webster's Dictionary

(n.) Any liquid preparation of a color and consistency resembling milk; as: (a) In pharmacy, an extract of seeds, or a mixture of oil and water united by a mucilaginous substance. (b) In photography, a liquid preparation of collodion holding salt of silver, used in the photographic process.

Bibliography Information
Webster, Noah. Entry for 'Emulsion'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​e/emulsion.html. 1828.