resid
resid — noun
1. Thick, dark liquid that stays after crude oil has been heated to remove its ligh
Thick, dark liquid that stays after crude oil has been heated to remove its lighter parts, such as gasoline and kerosene. It is used as fuel or turned into other products like asphalt.
The factory burns resid to heat its large boilers during the cold winter months.
burn resid — used as fuel
Workers pump the hot resid from the distillation tower into big metal storage tanks.
pump resid + from + into (transfer locations)
Some power plants use resid as fuel because it costs much less than natural gas.
After making gasoline, the thick resid left behind can be turned into road tar.
The chemist tested a sample of resid to measure how much sulfur it still contained.
用法筆記
Resid is a shortened form of 'residual oil' and is used mainly in the petroleum and energy industries. It is treated as an uncountable noun, so it takes a singular verb (e.g., 'resid is pumped').