dilation

After all, women now use Facebook to share sonogram pictures, breast-feeding tips, and even cervical dilation during labor.

Breadth is the dilation of the heart, length is long-suffering, height is hope, and depth is faith.

Systole and diastole, the contraction and dilation of the heart and arteries.

His eyes, wide open, had a ghastly gleam, which the dilation of the pupils rendered all the more hideous.

They are capable of contraction, of dilation, of partial interpenetration and distortion, but never of dissolution.

She looked at him in a mighty wonder, her dark eyes open to their widest, and looking black by the extreme dilation of the pupils.