There are 2 definitions of Ci in English:

Ci1

Line breaks: Ci

abbreviation

Curie.

Definition of Ci in:

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Word of the day hypnopompic
Pronunciation: ˌhɪpnə(ʊ)ˈpɒmpɪk
adjective
relating to the state immediately preceding waking up

There are 2 definitions of Ci in English:

CI2

Line breaks: CI

abbreviation

1Channel Islands.
1.1Côte d’Ivoire (Ivory Coast) (international vehicle registration).

Definition of Ci in: