passthru

Noun

passthrough (countable and uncountable, plural passthroughs)

1. As of a signal through a device or network.
2. As of increased costs through a business entity to its customers through increased prices.
   • The airlines called the fuel surcharge a passthrough, but did not rescind it until well after fuel prices had returned to previous levels.
3. Allowing the use of some resource unchanged from one system to another.
   • GPU passthrough
4. A wall opening intended to allow something to be passed through it.
5. A legal entity intended to not incur (income) taxation at the entity, but solely at the beneficiaries.
   • Partnerships, limited-liability companies, and Subchapter S corporations are the main US passthroughs.

   Synonyms:

   flowthrough