digestion

英[daɪ'dʒestʃ(ə)n;dɪ-] 美[daɪdʒɛstʃən]

1. the process of decomposing organic matter (as in sewage) by bacteria or by chemical action or heat

2. the organic process by which food is converted into substances that can be absorbed into the body

3. learning and coming to understand ideas and information;

"his appetite for facts was better than his digestion"