dis·si·pate /'di-sə-ˌpāt/ vt -pat·ed, -pat·ing: to use (marital assets) for one's own benefit and to the exclusion of one's spouse for a purpose unrelated to the marriage at a time when the marriage is undergoing an irretrievable breakdown
dis·si·pa·tion /ˌdi-sə-'pā-shən/ n
Merriam-Webster’s Dictionary of Law. Merriam-Webster. 1996.