Definition of pentobarbitone in English:

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pentobarbitone

Pronunciation: /ˌpɛntə(ʊ)ˈbɑːbɪtəʊn/
(US pentobarbital)

noun

[mass noun] Medicine
A narcotic and sedative barbiturate drug formerly used to relieve insomnia.
Example sentences
  • In this experiment, human volunteers consistently underestimated their performance impairment after acute administrations of triazolam, but not pentobarbital, a barbiturate.
  • One drug in particular, sodium pentobarbital - a barbiturate used to euthanize animals - is of prime concern.
  • To induce a coma, an anesthesiologist typically infuses a patient with increasing doses of the barbiturate pentobarbital while monitoring her brain waves with electrodes.

Origin

1930s: from pentane + barbitone (or barbital).

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