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.
inÂ·spiÂ·raÂ·tion. (Ä­nâ²spÉ-rÄâ²shÉn) n. 1. a. The excitement of the mind or emotions to a high level of feeling or activity: a singer who found her inspiration in popular songs of the 1920s. b. The condition of being so excited: sat down to write in a sudden burst of inspiration.