A selective medium contains. a substance that inhibits the growth of a certain type of microorganism while permitting the growth of a different type. If chemicals in a medium are manipulated so that the appearance of one microorganism is different from another, the medium is called.
The definition of resistant is someone or something that fends off or works against. An example of someone resistant is a older person who doesn't want to use email; resistant to change. An example of something resistant is a bug that isn't dying even though you've sprayed it with pesticide; resistant to spray. resistant. resistant.
resistant (comparative more resistant, superlative most resistant) Which makes resistance or offers opposition. Which is not affected or overcome by a disease, drug, chemical or atmospheric agent, extreme of temperature, etc. The infection is resistant to antibiotics. (statistics) Not greatly influenced by individual members of a sample.