1. to inject or implant (a vaccine, microorganism, antibody, or antigen) into the body in order to protect against, treat, or study a disease. 2. to affect or treat (a person, animal, or plant) in this manner. 3. to introduce (microorganisms) into surroundings suited to their growth, as a culture medium.
925 is a standard sign used to mark sterling silver, and the meaning of the stamp is that the silver content in the piece is 92.5% (i.e., the remaining 7.5% is comprised of other elements). Perhaps because the âgoldâ jewelry you are looking at is not actually made of gold.
How to Identify Jewelry Markings. Fine jewelry is stamped or engraved with a variety of markings to indicate the materials with which it is made and its purity. To the average person, these mysterious markings can seem like a foreign language. Knowing how to interpret them can be helpful; they tell you what type of jewelry you have in your collection and enable you to describe it to potential buyers if you wish to sell the jewelry. Note that a â950 Platinumâ mark indicates that jewelry is 95 percent pure platinum, or 950 parts pure platinum out of 1,000.