/
əˈnalɪsɪs/
n.
 (pl. analyses  
/-siːz/
)
    - a detailed examination of something in order to interpret or explain it.
- the process of separating something into its constituent elements. Often contrasted with synthesis. ▸the process of analysing the chemical constituents of a substance. 
- short for psychoanalysis.
- Mathematics  the part of mathematics concerned with the theory of functions and the use of limits, continuity, and the operations of calculus.
Etymology
C16: via med. L. from Gk analusis, from analuein ‘unloose’.