The phrase "chain length" refers to the number of units or elements that make up a chain, like links in a necklace. It tells you how long or short the chain is. Full definition
Bottom Line: Due to their shorter chain length, medium - chain triglycerides are more rapidly broken down and absorbed into the body. (alivebynature.com)
When choosing chain length, it is important to consider where the chain will fall on you. (geekwrapped.com)
Since this necklace can be ordered in different chain dimensions, it offers you the option of choosing the right chain length for your neck size. (onecklace.com)