chemistry

noun

1. (uncountable)The branch of natural science that deals with the composition and constitution of substances and the changes that they undergo as a consequence of alterations in the constitution of their molecules.
2. (countable)An application of chemical theory and method to a particular substance.

   “Learning the very complicated chemistries necessary to reproduce reality into a picture using light”

   “The aquatic chemistries of iron and manganese are similar; this “is reflected geologically in their common association in rocks of all kinds” (Bortleson and Lee, 1974).”

3. (countable, uncountable)The chemical properties and reactions of a particular organism, environment etc.

   “But some microbes manage to move to new organs to get inside tumors. It’s possible that the particular chemistry inside a tumor, such as its level of oxygen, helps determine which microbes will thrive there.”

4. (countable, informal, uncountable)The mutual attraction between two people; rapport.

   “The on-screen chemistry between the lead actors led many viewers to believe they were a couple in real life.”

   “The coach attributed their losses to poor team chemistry.”

   “He and [Dennis] Schröder developing pick-and-roll chemistry will certainly be an objective. [Markieff] Morris has a tendency to linger around the mid-range area after setting ball screens, but when he’s popping beyond the 3-point line, he can hurt defenses.”

5. (countable, informal, proscribed, sometimes)A blood test to measure the amount of various components of the serum (such as electrolytes, creatinine, and glucose).

   “Diagnosis is presumptive by history and physical examination and is confirmed by chemistries.”