Quintamillesimal Series of Attenuation

**Semantic type:** Quantitative Concept

**Definition:** Preparation of a homeopathic substance with a ratio of one part original material to 50,000 parts of carrier or solvent.

**Synonyms:** - Fifty Millesimal Scale of Attenuation - [HP'_Q] - [hp'_Q] - [hp'_Q] - homeopathic potency of quintamillesimal series (retired)