Ab*la"tion (#), n. [L. ablatio, fr. ablatus p. p. of auferre to carry away; ab + latus, p. p. of ferre carry: cf. F. ablation. See Tolerate.]
1.
A carrying or taking away; removal.
Jer. Taylor.
2. Med.
Extirpation.
Dunglison.
3. Geol.
Wearing away; superficial waste.
Tyndall.
© Webster 1913.