Erosion

verb to remove or destroy tissue, typically by surgery, laser, or heat

• The surgeon used a laser to ablate the tumor.
• The doctor zapped the tumor with a laser to get rid of it.
• The doc blasted the tumor with a laser to make it disappear.
• She ablated all negative thoughts from her mind.

noun the process of scraping or wearing something away

• The doctor noted a small abrasion on the patient's arm.
• I got a little abrasion on my knee from falling off my bike.
• I got a gnarly abrasion on my elbow from skateboarding.
• The constant criticism was like an emotional abrasion on his spirit.