Â· 43 comments. in Facts. An intelligence quotient, or IQ, is a score derived from one of several standardized tests designed to assess intelligence. The abbreviation âIQâ comes from the German term Intelligenz-Quotient, originally coined by psychologist William Stern.
Lower explosive limit. Lower explosive limit (LEL): The lowest concentration (percentage) of a gas or a vapor in air capable of producing a flash of fire in presence of an ignition source (arc, flame, heat). The term is considered by many safety professionals to be the same as the lower flammable limit (LFL).
Variants. 1  lul: phonetic spelling of LOL. 2  lolz: Occasionally used in place of LOL. 3  lulz: Often used to denote laughter at someone who is the victim of a prank, or a reason for performing an action. 4  LOLOLOLOLOLOLOLOLOLOL: For added emphasis, LOL can be appended with any number of additional iterations of OL. In cases such as these, the abbreviation is not to be read literally (i.e., Laughing out loud out loud out loud out loud), but is meant to suggest several LOLs in a row. trolololol or trollololol: A portmanteau of troll and LOL iterated.