ISIN

Is·in
I1S1I1N1
Australia, Canada, US, India, UK, Scotland/ˈɪs.ɪn/New Zealand/ˈəs.ən/

proper noun

The ancient city in Mesopotamia.

OriginArabic إيشان بحريات ← Sumerian 𒉌𒋛𒅔𒆠 →
Less commonScrabble 4
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Meanings

ISIN1

nounISIN (countable and uncountable, plural ISINs)

plural ISINs

  1. abbreviationcountableinitialismuncountablebusinessInitialism of International Securities Identification Number: a 12-character identification number that uniquely identifies a security.
adjectiveISIN (not comparable)
  1. abbreviationnot comparablemedicineAbbreviation of intrasinal (pertaining to the periorbital and nasal sinuses).

Isin2

proper noun
  1. historicalThe ancient city in Mesopotamia.

Origin

  1. Sumerian𒉌𒋛𒅔𒆠
  2. Arabicإيشان بحريات
  3. EnglishIsin

Derived from Arabic إيشان بحريات (Ishan al-Bahriyat), derived from Sumerian 𒉌𒋛𒅔𒆠 (I₃-si-inᵏⁱ).

More words from Arabic, Sumerian

Full word history & related roots →

Rhymes & wordplay

Anagrams

nisiSini
Cite this entry
APA

ISIN. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/ISIN

MLA

“ISIN.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/ISIN. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “ISIN,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/ISIN.

Source: ISIN on Wiktionary, CC BY-SA 4.0.