Diffusion (noun). the act of diffusing, or the state of being diffused; a spreading; extension; dissemination; circulation; dispersion. Diffusion (noun). the act of passing by osmosis through animal membranes, as in the distribution of poisons, gases, etc., through the body.
Learner's definition of EXCITEMENT. 1. [noncount] : a feeling of eager enthusiasm and interest : the state of being excited. Our excitement was building/growing/mounting as the end of the game approached. His hands shook with excitement. The child cried out in excitement.
suspense. n. 1. the condition of being insecure or uncertain: the matter of the succession remained in suspense for many years. 2. mental uncertainty; anxiety: their father's illness kept them in a state of suspense. 3. excitement felt at the approach of the climax: a play of terrifying suspense.