›[U]the process or business of building large objects such as buildings, roads, bridges, etc.: Employment in construction increased by 12,000.a construction site/project/worker29-year-old Jose has a well-paid job at a downtown construction site.under constructionIn February, there were 15% fewer homes under construction than in the corresponding month of last year.a construction company/firm/groupthe construction industry/sector
›[U]PRODUCTIONthe activity of putting the different parts of something together in order to make it: The chemical is found in materials used in the construction of travel trailers.under constructionThey now have four satellites under construction.the construction of an investment portfolio
›[U]the particular type of structure, materials, etc. that something has: The bridge is of lightweight construction.
›[C]a building or other object that has been built: The new office building was a glass and steel construction.