is any of a wide range of
petroleum products produced by distillation,
as distinct from bottoms, cracked stock (see
cracking), and
natural gas liquids. In fuels, a term
referring specifically to those products in the mid-boiling range, which
include kerosene,
turbo fuel, and
heating oil — also called middle distillates and distillate
fuels. In lubricating oils, a term applied to the various fractions
separated under vacuum in a distillation tower for further processing (lube
distillate.