Adolescence /ˌæd

structure /ˈstrʌk.tʃə r / /-tʃɚ/ noun BUILDING
2. [ C ] something which has been made or built from parts, especially a large building
The proposed new office tower is a steel and glass structure 43 storeys high.
tension /ˈten t  .ʃ ə n/ noun STRETCH
3. [ U ] The tension of a wire or rope is the degree to which it is stretched.
tension /ˈten t  .ʃ ə n/ noun FEELING
1. [ U ] a feeling of nervousness before an important or difficult event
You could feel the tension in the room as we waited for our exam results.
2. [ C usually plural U ] a feeling of fear or anger between two groups of people who do not trust each other
ethnic/racial tension
There are growing tensions betweeen the two countries.
timber /ˈtɪm.bə r / /-bɚ/ noun
1. [ U ] trees that are grown so that the wood from them can be used for building
a timber forest
These trees are being grown for timber.
2. [ U ] UK ( US lumber ) wood used for building
a timber merchant
3. [ C ] a long piece of wood used for building, especially houses and ships
roof timbers a timber-framed building