Noun. 1. moniker-a familiar name for a person (often a shortened version of a person's given name); Joe's mother would not use his nickname and always called him Joseph; Henry's nickname was Slim.byname, cognomen, nickname, sobriquet, soubriquet.oun. 1. moniker-a familiar name for a person (often a shortened version of a person's given name); Joe's mother would not use his nickname and always called him Joseph; Henry's nickname was Slim.
- Water activity is a better index for microbial growth than water content since microorganism only uses available water of the food sample. Some factors affecting the responses of microorganisms to water activity are the production of metabolites, taxonomic classification and solute concentration.
Explain the activity of water as a solvent. Water is a polar molecule. When water dissolves ions, the partial negative charge of oxygen attracts positive ions and the partial positive charge on the hydrogen attracts negative ions. Most ions are dissolved because of waterâs ability to act as a solvent, as are proteins and other solutes. 9.