- pilo- + motor (Wiktionary)
“The pilomotor fibers to the hairs and the motor fibers to the sweat glands apparently have a distribution similar to that of the vasoconstrictors of the skin.”
“Among other delights, there's a switch that retreats into its enclosure when your finger approaches, a switch that extrudes a stream of snotty goo when pressed (and retracts it when released), and (my personal favorite) a hairy switch with a pilomotor reflex that makes the hairs stand up when you try to touch it.”
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A roster of adjectives that infrequently surface in typical conversation and writing. Many are dredged from scientific or other technical jargon or sieved from examples of disused archaic forms.
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