ki

Multiple Entries:
  ki    chi  

Concise Oxford English Dictionary © 2008 Oxford University Press:
ki

▶noun variant spelling of chi2.

Concise Oxford English Dictionary © 2008 Oxford University Press:
chi1 /kʌɪ/

▶noun the twenty-second letter of the Greek alphabet (Χ, χ), transliterated as ‘kh’ or ‘ch’.

– phrases
chi-square test a statistical method assessing the goodness of fit between a set of observed values and those expected theoretically.

– origin from Gk.

Concise Oxford English Dictionary © 2008 Oxford University Press:
chi2 /kiː/ (also qi or ki)

▶noun the circulating life force whose existence and properties are the basis of much Chinese philosophy and medicine.

– origin from Chin. qì, lit. ‘air, breath’.