extremely low frequency below 3 kilohertz
extreme unction a Catholic sacrament
extremely high frequency 30 to 300 gigahertz
extralinguistic not included within the realm of language
extraneous not belonging to that in which it is contained
instrumental conditioning operant conditioning that pairs a response with a reinforcement in discrete trials; reinforcement occurs only after the response is given
extreme point the point located farthest from the middle of something
extremely to the greatest possible degree
stream of consciousness the continuous flow of ideas and feelings that constitute an individual's conscious experience
extrinsic not forming an essential part of a thing
Augsburg Confession the document drawn up in 1555 to defend the catholicity of Lutheran doctrine and to justify innovations in Lutheran practice; is still in effect today
extremeness the quality of being extreme
mental confusion a mental state characterized by a lack of clear and orderly thought and behavior
external-combustion engine a heat engine in which ignition occurs outside the chamber (cylinder or turbine) in which heat is converted to mechanical energy
external orifice the orifice through which urine is discharged
extermination the act of getting rid of by killing off
in great confusion in disorderly haste
extragalactic outside or beyond a galaxy
extraneousness unrelatedness by virtue of falling outside the matter at hand
extreme right-winger an extreme conservative