different between isthmus vs archipelago

English

Etymology

Via Latin isthmus, from Ancient Greek ?????? (isthmós, “neck”), possibly from ???? (eîmi, “to go”). Cognate to Old Norse eið (“isthmus”).

Pronunciation

• IPA^(key): /??s.m?s/
• Rhymes: -?sm?s

Noun

isthmus (plural isthmuses or isthmi)

1. A narrow strip of land, bordered on both sides by water, and connecting two larger landmasses.
2. (anatomy) Any such narrow part connecting two larger structures.
3. (graph theory) An edge in a graph whose deletion increases the number of connected components of the graph.

Derived terms

• isthmoid

Translations

Further reading

• isthmus on Wikipedia.Wikipedia

Latin

Pronunciation

• (Classical) IPA^(key): /?ist?.mus/, [??s?(t?)?m?s?]
• (Ecclesiastical) IPA^(key): /?ist.mus/, [?ist?mus]

Noun

isthmus m (genitive isthm?); second declension

1. isthmus

Usage notes

• Capitalised as Isthmus, it refers to the Isthmus of Corinth.

Declension

Second-declension noun.

Descendants

• ? Catalan: istme
• ? English: isthmus

Further reading

• Isthmus or -os in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• istmus (-os) in Gaffiot, Félix (1934) Dictionnaire illustré Latin-Français, Hachette

English

Etymology

From Italian arcipelago, formed on the basis of Ancient Greek ????- (arkhi-, “main”) + ??????? (pélagos, “sea”), a designation for the Aegean Sea. The Aegean Sea is a sea with many islands; the term Arcipelago, originally a proper noun referring to the Aegean Sea, was first generalized to a common noun for any sea with many islands, and then to the islands in such a sea.

Pronunciation

• (Received Pronunciation) IPA^(key): /??k??p?l????/
• (US) IPA^(key): /???k??p?l???o?/
• Hyphenation: ar?chi?pe?la?go

Noun

archipelago (plural archipelagos or archipelagoes)

1. (collective) A group of islands.
   • 1851, Herman Melville, Moby-Dick:

     For many years past the whaleship has been the pioneer in ferreting out the remotest and least known parts of the earth. She has explored seas and archipelagoes which had no chart, where no Cook or Vancouver had ever sailed.

2. (by extension) Something scattered around like an archipelago.

Related terms

• archipelagic

Translations

See also

• island chain

Further reading

• archipelago on Wikipedia.Wikipedia

Portuguese

Noun

archipelago m (plural archipelagos)

1. Obsolete spelling of arquipélago (used in Portugal until September 1911 and died out in Brazil during the 1920s).