ci

Everyday

1. (abbreviation) CI often means «Chief Inspector», a senior police officer in the UK. tree →
2. (abbreviation, science and maths) CI means «confidence interval», a range of numbers that probably contains the true value. tree →
3. (abbreviation) The Channel Islands (Jersey, Guernsey and others) are sometimes written CI; CI is also the code for Côte d'Ivoire. tree →
4. (Mandarin, pinyin) «Cì» means «time» as in «once, twice» (yí cì = once), and «cí» means «word»; it sounds like «tsuh». tree →
5. (Italian) «Ci» means «us» or «there». It is not an English word. tree →

In the lessons

You meet CI in police dramas («DCI» = Detective Chief Inspector), in science reports about results, and in Mandarin lessons when counting how many times something happens. In computing, CI also means «continuous integration», automatically testing code.

Examples

• The CI arrived at the crime scene. tree →
• DCI Smith led the detectives. tree →
• The scientists gave a 95% CI for the average height. tree →
• In Mandarin, «yí cì» means «once». tree →
• We went on holiday to the Channel Islands, written CI on the map. tree →
• «Ci vediamo» means «see you» in Italian. tree →

Note

Not an English word on its own. What it means depends on context: police rank, statistics, a place code, Mandarin pinyin («cì», sounds like «tsuh») or Italian. Do not guess; look at the sentence around it.

In Jewish tradition

You meet CI in police dramas («DCI» = Detective Chief Inspector), in science reports about results, and in Mandarin lessons when counting how many times something happens. In computing, CI also means «continuous integration», automatically testing code.

Examples

• It is worthy ot note that Philo attributes the tirst inven- tion of letters to Abraham iRees, Ci,clopediii, art. (Mordell, The Origin of Letters and Numerals according to Sefer Yetzirah (1914)) tree →

Note

Not an English word on its own. What it means depends on context: police rank, statistics, a place code, Mandarin pinyin («cì», sounds like «tsuh») or Italian. Do not guess; look at the sentence around it.