15-Letter Words Containing: O,F,F,D

• A technique used to detect the reaction between an antigen and an antibody by observing the behavior of a combination of such species as they diffuse through a gel

• A device that uses diffraction (especially X-ray diffraction) to investigate the structure of matter.

• a disposition to be distant and unsympathetic in manner

• a discrimination between things as different and distinct on the basis of their characteristics or attributes

• the mathematical process of obtaining the derivative of a function

• (biology) the structural adaptation of some body part for a particular function