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NGC

|en-gee-cee|

C2

/ɛn dʒiː siː/

abbreviation for a proper name/catalogue

Etymology
Etymology Information

'NGC' originates from English, specifically the phrase 'New General Catalogue', where 'New' indicates a revised compilation of earlier catalogues and 'General Catalogue' referred to a comprehensive listing of nebulae and clusters.

Historical Evolution

'NGC' was formed as an abbreviation after John Louis Emil Dreyer published the 'New General Catalogue' in 1888 (a revision and expansion of earlier catalogues, notably those based on William Herschel's observations). The shorthand 'NGC' entered astronomical literature in the late 19th / early 20th century and became the standard prefix for objects listed in Dreyer's catalogue (e.g., NGC 224).

Meaning Changes

Initially it specifically designated entries in Dreyer's 1888 catalogue; over time 'NGC' has retained that primary astronomical meaning while also being adopted as an acronym by unrelated organizations (e.g., TV channels, companies).

Meanings by Part of Speech

Noun 1

abbreviation for the New General Catalogue, an astronomical catalogue of deep-sky objects (nebulae, star clusters, galaxies) compiled by J. L. E. Dreyer; used as a designation prefix (e.g., NGC 224).

The galaxy is listed in the NGC as NGC 1300.

Synonyms

New General CatalogueNew General Catalog

Noun 2

abbreviation historically used for the National Geographic Channel (television channel), now commonly referred to as Nat Geo or National Geographic.

NGC aired a new nature documentary last night.

Synonyms

National Geographic ChannelNat Geo

Noun 3

abbreviation for Numismatic Guaranty Company/Corporation (NGC), a private organization that grades and certifies coins.

The coin was graded and encapsulated by NGC.

Synonyms

Numismatic Guaranty CompanyNumismatic Guaranty Corporation

Last updated: 2025/10/12 04:57