(biology, archaic) Protoplasm. / A mold or matrix in which anything is cast or formed to a particular shape.

plural of plasm

(biology, dated or historical) The cytoplasm of germ cells. / Germplasm; seeds or tissues maintained for the purpose of animal or plant breeding, preservation or other research uses.

Alternative spelling of germ plasm

(physics) A state of matter consisting of partially ionized gas and electrons. / (hematology) A clear component of blood or lymph containing fibrin.

(physics) A plasma containing particles larger than the ions of the plasma; typically manufactured plastic microspheres.

(physics) A particle accelerator that uses plasma as the medium of the accelerating field instead of a vacuum, to obtain a larger accelerating gradient.

(physics) A method for accelerating electrically charged particles with a large-amplitude electron plasma wave.

(immunology) A plasma cell

(immunology) A form of B cell that produces antibodies after having reacted with its specific antigen in follicle centers.