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
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No pronunciation record was provided for this word.
noun
A type of x-ray examination used to evaluate breast fluid.
Definition source: English Wiktionary via Wiktextract
Topics: medicine, sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
The science of charting and mapping galaxies.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable
Topics: literature, media, publishing, science-fiction
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
From galacto- (“milk-related”) + -graphy (“something written or represented”). Circa 1930s.
Either galactic + -graphy or blend of galactic + geography. Coined by American science fiction author Isaac Asimov in 1950 in the final installment of the novella "...And Now You Don't" (collected as part of Second Foundation).
