Cai

C3A1I1

proper noun

A surname from Chinese.

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Meanings

Cai1

proper nounCai (plural Cais)

plural Cais · alternative Tsai · alternative also Ts'ai

  1. A surname from Chinese.

CAI2

nounCAI (countable and uncountable, plural CAIs)

plural CAIs

  1. abbreviationcountableinitialismuncountablechemistryInitialism of calcium-aluminium-rich inclusion, a type of mineral.
  2. abbreviationcountableinitialismuncountablemedicineInitialism of carbonic anhydrase inhibitor.
  3. abbreviationcountableinitialismuncountablemedicineInitialism of chronic ankle instability.
  4. abbreviationcountableinitialismuncountableautomotiveInitialism of cold air intake.
  5. abbreviationcountableinitialismuncountableInitialism of computer assisted instruction.
proper noun
  1. Conodont Alteration Index, an estimate of the maximum temperature reached by a sedimentary rock.

Origin

Borrowed from Mandarin 蔡 (Cài).

Full word history & related roots →

Rhymes & wordplay

Anagrams

ICA
Cite this entry
APA

Cai. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/Cai

MLA

“Cai.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Cai. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “Cai,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/Cai.

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