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.
If you've ever seen a dog on a leash suddenly refuse to walk any farther, you know how much resistance one little pet can put up. Resistance means refusal to comply with or accept something.. An individual person can put up resistance against something she disagrees with or doesn't want to participate in. On a larger scale, groups of people and even whole countries can display resistance, like when the British put up resistance against Napoleon.