hyperreactor

noun hy·per·re·ac·tor \ ˌhī-pər-rē-ˈak-tər \
variants: or less commonly hyper-reactor

Definition of hyperreactor

plural hyperreactors or hyper-reactors
: a person who is abnormally sensitive (as to a stimulus or a drug) : one who is hyperreactive
  • spiking of blood pressure in hyperreactors following exposure to cold

First Known Use of hyperreactor

1938

in the meaning defined above

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Medical Dictionary

hyperreactor

noun hy·per·re·ac·tor \ -rē-ˈak-tər \

medical Definition of hyperreactor

: one who is hyperreactive (as to a particular drug)

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