volumetric flask 

what us nerds call a "bong." (the thing you smoke cannabis indica out of)

yoo Im pretty sure Ned was using a volumetric flask this morning.

volumetric flask by Not-not harambe November 30, 2018

internet volumetric misapprehension syndrome 

Noun: Repeatedly ordering items online which are much smaller than you first thought.

"Wow, all of my Christmas presents were tiny. Were they supposed to be this small?"
"No, but I got them online."
"Well, I guess you suffered from internet volumetric misapprehension syndrome."

internet volumetric misapprehension syndrome by Jeetmaster9000 February 11, 2022

volumetrics 

1. noun; of, relating to, or involving the measurement of multiple volumes

ex: Volumetrics are an integral part of warehouse operations.

volumetrics by Mikal Abbott April 29, 2012