Definitions

1. verb

to remove air or gas from a container or space by a siphon or similar action

“The diver had to asiphonate the scuba tank to avoid a nitrogen narcosis”

2. verb

to remove air or gas from the body, especially in cases of decomposition

“The forensic pathologist had to asiphonate the deceased to examine the internal organs”

3. noun

the act of removing air or gas from a container or space

“The asiphonation of the scuba tank was crucial for a safe dive”