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| Symbol: Pr; atomic weight: 140.907; atomic number: 59 |
| Symbol: Sb; atomic weight: 121.75; atomic number: 51 |
| peptone (ˈpɛptəʊn) | |
| —n | |
| biochem See also proteose any of a group of compounds that form an intermediary group in the digestion of proteins to amino acids | |
| [C19: from German Pepton, from Greek pepton something digested, from peptein to digest] | |
| peptonic | |
| —adj | |
peptone pep·tone (pěp'tōn')
n.
Any of various soluble compounds that do not coagulate, are obtained by acid or enzyme hydrolysis of natural protein, and are used as nutrients in culture media.