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.
No pronunciation record was provided for this word.
noun
The delocalized carbenium ion cycloheptatrienylium, C7H7+, derived from cycloheptatriene, or any of its derivatives.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable, usually
Topics: chemistry, natural-sciences, organic-chemistry, physical-sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
Etymology tree English tropane Proto-Indo-European *-nós Proto-Indo-European *-iHnos Proto-Italic *-īnos Latin -īnusder. Old French -inbor. Middle English -in English -ine English tropine Proto-Indo-European *swel-der.? Ancient Greek ῡ̔́λη (hū́lē)der. Frenchder. English -yl Proto-Indo-European *-om Proto-Italic *-om Latin -umder. English -ium English tropylium From tropine + -yl + -ium.
Across languages
4 source translations are retained for this English entry.
