DILATION
Di*la"tion, n. Etym: [From dilate, v., cf. Dilatation, Dilator.]
Defn: The act of dilating, or the state of being dilated; expansion;
dilatation. Mrs. Browning.
At first her eye with slow dilation rolled. Tennyson.
A gigantic dilation of the hateful figure. Dickens.
DILATIVE
Di*lat"ive, a.
Defn: Causing dilation; tending to dilate, on enlarge; expansive.
Coleridge.
DILATOMETER
Dil`a*tom"e*ter, n. Etym: [Dilate + -meter.] (Physiol.)
Defn: An instrument for measuring the dilatation or expansion of a substance, especially of a fluid.
DILATOR
Di*lat"or, n. Etym: [See Dilate.]
1. One who, or that which, widens or expands.
2. (Anat.)
Defn: A muscle that dilates any part.