attenuated

About 1.90 uses per million words.

Meaning

1. verb simple past and past participle of attenuate
2. adjective Made, or become weak; subject to attenuation.

   attenuated power

3. adjective Weakened, usually in a way that includes nonreplicating status.

   the live attenuated type of vaccines

4. adjective Long and tapering (especially of leaves)

Similar words

faded weakened reduced decreased diminished lessened mitigated thin diluted relaxed

Often followed by

by and in form the to or virus as