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.
*cough* I'm also going to get a cartilage piercing.. how bad does that one hurt on a scale from 1-10, how long does it take to heal (or, I mean, how long until I can change the earring), how long can't I sleep on it for, and which hurts more, with a needle, or with a gun??