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.
Learner's definition of HARDY. 1. : able to live through difficult conditions (such as a cold winter or a drought). a hardy rose. the hardiest plants/animals. [+] more examples [-] hide examples [+] Example sentences [-] Hide examples. 2. : strong and able to accept difficult or unpleasant conditions. Most of the soldiers were hardy young men. Hardy fans stuck with the team through good times and bad. Only the hardiest pilgrims made the journey. [+] more examples [-] hide examples [+] Example sentences [-] Hide examples.