The phrase "a weakened form" is correct and usable in written English.
It can be used to describe something that has been diminished in strength, intensity, or effectiveness.
Example: "The medication is available in a weakened form for patients who are sensitive to stronger dosages."
Alternatives: "a diluted version" or "a less potent form".
An effective vaccine is widely available, made from a weakened form of the virus.
After World War II, Austria reintroduced the jury in a weakened form.
America's MedImmune has come up with a nasal spray that uses a live flu virus in a weakened form.
The man received the older oral polio vaccine (OPV) that contained a weakened form of the virus, and was often given on a sugar cube.
Doctors do not know if children who were vaccinated against chickenpox will be vulnerable to shingles later in life, because the vaccine is made from a weakened form of the virus.
A scientist at Fort Detrick in Frederick, Md., has been isolated as a precaution after she grazed her hand last week with a needle while conducting a study with mice infected with a weakened form of the Ebola virus.
There are two types: an injection that contains an inactivated form of the virus; and a nasal spray that is becoming more common in places like the United States, which contains a live form of the virus, but in a much weakened form.
The way it works with the measles vaccine, for example, is that a live, weakened form of the virus is given, so that the body develops antibodies directed against all 10 of the virus's proteins and all the sites where it might attach to the body's cells.
But most current non-cognitivists accept these negative claims only in a somewhat weakened form.
In sum, the standard interpretation of Ryle construes him as offering a somewhat weakened form of reductive behaviourism whose reductivist ambitions, however weakened, are nonetheless futile.
The only exceptions are the correlations of fractal dimension and determinism with standardized reading scores, which replicated the relation observed in the dyslexic group in a slightly weakened form.
