dilatation

• POS: Noun
• HYPHEN: dil=a=ta=tion

OXFORD DICTIONARY

dilatation, n.
1 the widening or expansion of a hollow organ or cavity.
2 the process of dilating.

Idiom

dilatation and curettage an operation in which the cervix is expanded and the womb-lining scraped off with a curette.

ROGET THESAURUS

dilatation

Increase

N increase, augmentation, enlargement, extension, dilatation, increment, accretion, accession, development, growth, aggrandizement, aggravation, rise, ascent, exaggeration exacerbation, spread, flood tide, gain, produce, product, profit, increased, on the increase, undiminished, additional, crescendo, vires acquirit eundo.

Rarity

N rarity, tenuity, absence of solidity, subtility, subtilty, subtlety, sponginess, compressibility, rarefaction, expansion, dilatation, inflation, subtilization, vaporization, evaporation, diffusion, gassification, ether, rare, subtile, thin, fine, tenuous, compressible, flimsy, slight, light, cavernous, spongy, rarefied, unsubstantial, uncompact, incompressed, rarefiable.