Greer /greer/ [2 sylls.] as a girls' name (also used as boys' name Greer) is pronounced gryr. It is of Scottish and Latin origin, and the meaning of Greer is watchful, vigilant.Surname and variant of Gregory. Notable in the 1940s and 1950s due to actress Greer Garson.Kreatif forms: Greerda, Greergi, Greerta.reer /greer/ [2 sylls.] as a girls' name (also used as boys' name Greer) is pronounced gryr. It is of Scottish and Latin origin, and the meaning of Greer is watchful, vigilant.
The prefix ortho is used to distinguish the acid from related phosphoric acids, called polyphosphoric acids. Orthophosphoric acid is a non-toxic acid, which, when pure, is a solid at room temperature and pressure.he 85% solution is a syrupy liquid, but still pourable. As a strong acid, it is corrosive. Because of the high percentage of phosphoric acid in this reagent, at least some of the orthophosphoric acid is condensed into polyphosphoric acids.
Polylactic acid or polylactide (PLA, Poly) is a biodegradable thermoplastic aliphatic polyester derived from renewable resources, such as corn starch (in the United States and Canada), tapioca roots, chips or starch (mostly in Asia), or sugarcane (in the rest of the world).eing able to degrade into innocuous lactic acid, PLA is used as medical implants in the form of anchors, screws, plates, pins, rods, and as a mesh. Depending on the exact type used, it breaks down inside the body within 6 months to 2 years.