Crossword puzzle clue "believer in minute particles doctrine"

an adherent of atomism, the belief that the universe consists of small indivisible particles

one who indulges in animism, the attribution of a living soul to plants, inanimate objects, and natural phenomena

one who believes that there is no god

to reduce to a fine spray, also ATOMISE

ATOM, the smallest particle in an element which can take part in a chemical reaction

ION, an electrically-charged particle formed by loss or gain of electrons by an atom

MOLECULE, the smallest unit of matter that has the chemical and physical properties of a particular chemical compound