If you are refering to the dispensing unit that is used in the neck of upside-down spirit bottles, as commonly seen in pubs, the name is 'Optic'
optic
Alcohol premixed spirits in a can has only up to 5.5-7.5% ABV whilst a bottle of unmixed spirits is definitely above 20% ABV.
LNLNLNLN
cup,bottle,jug,mug and measuring cylinder
Is obvious that if it is mixed, is not just the alcohol in it, it may have juice or low % liquor. I think a bottle by itself has more alcohol than mixed can.
A label on a bottle bought in a shop would show the volume. If there is no label, fill the bottle with water to the top, then empty the water into a measuring jar or cylinder. The volume is then read off the scale marked on the measuring jar or cylinder.
Which is the question ?
liquid. As in: this bottle contains 600 millilitres.
You can pour wine into back into a bottle, but no one had succeeded in reincarnating a spirit.
"The volume of air in the diver decreases."
for the purpose of measuring the specific gravity
What is cost per pound for english roast in West Michigan
2 bottles of wine and 1 bottle of hard liquor or spirits