Standard Lemma guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
noun
An anticholinesterase C10H16NO+ used especially to stimulate skeletal muscle and in the diagnosis of myasthenia gravis.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable
Topics: biochemistry, biology, chemistry, medicine, microbiology, natural-sciences, pharmacology, physical-sciences, sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
Etymology tree Proto-Indo-European *h2eydh-der. Proto-Hellenic *áithō Ancient Greek αἴθω (aíthō) ▲ Ancient Greek ᾱ̓ήρ (āḗr)influ.? Ancient Greek αἰθήρ (aithḗr)der. Latin aethērbor. German Äther German Ether Proto-Indo-European *swel-der.? Ancient Greek ῡ̔́λη (hū́lē)der. German -yl German Ethylbor. English ethyl Proto-Indo-European *wed- Proto-Indo-European *-r̥ Proto-Indo-European *wódr̥ Proto-Hellenic *údōr Ancient Greek ῡ̆̔́δωρ (hū̆́dōr) Ancient Greek ῠ̔δρο- (hŭdro-)der. English hydro- English oxy English hydroxy Proto-Indo-European *bheh2-der. Proto-Hellenic *pháňňō Ancient Greek φαίνω (phaínō)der. French phéno- ▲ Ancient Greek ῡ̔́λη (hū́lē)der. French -yle French phénylebor. English phenyl English hydroxyphenyl New Latin ammōniumbor. English ammonium English onium English -onium English edrophonium From e(thyl) + (hy)dro(xy)ph(enyl) + -onium (“quaternary ammonium compound”).
