An exceptional breed or variety of animal, plant, etc.; (in later use) specifically a strain of microorganism that has become resistant to drugs or especially virulent.
Origin
Early 20th century; earliest use found in Poultry Success.
Definition of superstrain in US English:
superstrain
noun
An exceptional breed or variety of animal, plant, etc.; (in later use) specifically a strain of microorganism that has become resistant to drugs or especially virulent.
Origin
Early 20th century; earliest use found in Poultry Success.