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.
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noun
A tricyclic hydrocarbon whose structure is constantly changing between 1,209,600 possible tautomers
Definition source: English Wiktionary via Wiktextract
Topics: chemistry, natural-sciences, organic-chemistry, physical-sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
from the nickname of one the scientists who predicted its properties in 1963 and the underlying concept of valence tautomerism, William "Bull" Doering. Chosen to rhyme with fulvalene.
