Diastole
Pronunciation : Di*as"to*le
Part of Speech : n.
Etymology : [L., fr. Gr.
Definition : 1. (Physiol.)
Defn: The rhythmical expansion or dilatation of the heart and arteries; -- correlative to systole, or contraction.
2. (Gram.)
Defn: A figure by which a syllable naturally short is made long.
Source : Webster's Unabridged Dictionary, 1913