boiloff

noun

1. (countable, uncountable)The vaporization of a liquid (or solid) whose boiling point is lower than that of the environment in which it is stored.

   “One would not be able to return from an extended holiday and drive off in the family car in view of the boiloff from even the best insulated tank.”

   “"Boiloff" of the tungsten from the filament that adheres to the inside of a tungsten-standard bulb blade”

   “BOILOFF The vaporization or gasification of liquefied natural gas […]. Boiloff occurs when the holding vessel's insulation fails to maintain the temperature to keep the gas in liquid form.”