complementarity counterrevolutionary crystallographer crystallography deoxyribonucleic diethylstilbestrol electroencephalography ethnomusicology experimentation extracurricular extraterrestrial extraterritorial inextinguishable neurophysiology neuropsychiatric Nullstellensatz paleoanthropology parasympathetic physiotherapist plenipotentiary psychophysiology psychotherapeutic psychotherapist sphygmomanometer substitutionary telephotography teletypesetting triphenylphosphine