attenuating

verb

1. 1

   To reduce in size, force, value, amount, or degree.

2. 2

   To make thinner, as by physically reshaping, starving, or decaying.

3. 3

   To become thin or fine; to grow less.

4. 4

   To weaken.

5. 5

   To rarefy.

6. 6

   To reduce the virulence of a bacterium or virus.

7. 7

   To reduce the amplitude of an electrical, radio, or optical signal.

8. 8

   (of a beer) To become less dense as a result of the conversion of sugar to alcohol.