›the act of using something new or different instead of something else, or the new thing that is used: the substitution of sth (for sth)The governmentplans to encourage the substitution of cheapgenericdrugs for expensive brand-name ones.Telecommuting is not a substitution for child care.
On May 7th, citizens of the UK will be going to the polls (having an election) to decide who will form the next government. This kind of election is known as a general election. The country is divided into 650 areas, called constituencies. Each constituency elects a member of parliament (MP) to