Definition of pentobarbitone in English:


Line breaks: pento|bar¦bit|one
Pronunciation: /ˌpɛntə(ʊ)ˈbɑːbɪtəʊn
(US pentobarbital)


[mass noun] Medicine
A narcotic and sedative barbiturate drug formerly used to relieve insomnia.
More 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.


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

Definition of pentobarbitone in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day bimble
Pronunciation: ˈbɪmb(ə)l
walk or travel at a leisurely pace