noun, Physics, Chemistry. 1. a succession of elements initiated in the radioactive decay of a parent, as thorium or uranium, each of which decays into the next until a stable element, usually lead, is produced. Also called decay series.
Report Abuse. Healing times for cartilage is 3-6 months. However, a lot of people say it takes closer to a year for the piercing to heal properly and feel truly stable.t can take a year for deep cartilage piercings. won't be sore for that long, but it may be that long until it's fully healed and you can sleep on it. Source(s): i have several.
A strain takes about 1 week to heal. A bad sprain may take longer â as long as 3 to 4 weeks to heal or sometimes even longer. While your strain or sprain heals, take it easy and don't do stuff that could cause another injury. If you've visited the doctor for your injury, you may have a follow-up visit to make sure everything is healing just right.