The best replacement for dilation is dilatation.

The best alternatives to dilation are rated as following:
★★★★★  dilatation
★★  effacement
★  constriction
★  hypertrophy
★  optomap
★  effacement first
★  effacement better
★  cervix
  hypertrophy heart
  expansion medical term
  funneling
  aneurysm
  time travel
  contraction
  cervical length
  enlargement
  vasoconstriction
  lorentz transformation
  length contraction

Your alternative for dilation is not listed? Suggest!
Speaking about dilation, one probably shouldn't forget about scale factor.

Other search terms related to dilation and their ratings are:
★★★★★ scale factor
★★★★★ labor
★★★★ contractions
★★★★ effacement
★★★★ cerclage
★★★ no contractions
★★★ painful contractions
★★★ bloody show
★★ losing mucus plug
★★ water breaking
★ labour
★ contractions pregnancy
★ contraction
concussion
scale factor of 2
no effacement
effacing
endoscopy
feeling contractions
You have in mind a companion for dilation and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of dilation in all years. Click on graph for more.
dilation
dilatation
effacement