S: (n) substitution,permutation,transposition,replacement,switch (an event in which one thing is substituted for another; ) "the replacement of lost blood by a transfusion of donor blood"
S: (n) substitution,exchange,commutation (the act of putting one thing or person in the place of another: ) "he sent Smith in for Jones but the substitution came too late to help" From word Net
Meaning and definitions of Substitution with similar and opposite words in Tamil Dictionary. Also find native spoken pronunciation of Substitution in Tamil and in English language.