dilatation
di.la.ta.tion \.dil-*-'ta--sh*n, .di--l*-\ \-shn*l, -sh*n-*l\ n 1: amplification in writing or speech 2a: the condition of being stretched beyond normal dimensions esp. as a res ult of overwork or disease {~ of the heart} or of abnormal relaxation {~ of the stomach} 2b: DILATION 3: the act of expanding : the state of being expanded 4: a dilated part or formation - di.la.ta.tion.al aj