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.
Here are all the possible meanings and translations of the word Excitement. Princeton's WordNet(0.00 / 0 votes)Rate this definition: exhilaration, excitement(noun) the feeling of lively and cheerful joy. he could hardly conceal his excitement when she agreed.