Adolescence /ˌæd

design /dɪˈzaɪn/ noun PLAN
1. [ C ] a drawing or set of drawings showing how a building or product is to be made and how it will work and look
Have you seen the designs for the new shopping centre?
2. [ U ] ( also designing ) the art of making plans or drawings for something
She's an expert on kitchen/software design.
He's studying design at college.
3. [ S or U ] the way in which something is planned and made
I don't like the design of this kettle.
The building was originally Victorian in design.
a serious design fault
The car has some excellent design features .
device /dɪˈvaɪs/ noun [ C ] OBJECT
1. an object or machine which has been invented for a particular purpose
a contraceptive/electronic device
Rescuers used a special device for finding people trapped in collapsed buildings.
elevator /ˈel.ɪ.veɪ.tə r / /-t ̬ɚ/ noun [ C ]
1. US ( UK lift ) a small room which carries people or goods up and down in tall buildings
2. a moving strip which can be used for unloading goods from a ship, putting bags onto an aircraft, moving grain into a store, etc.
engineering /ˌen.dʒɪˈnɪə.rɪŋ/ /-ˈnɪr.ɪŋ/ noun [ U ]
the work of an engineer, or the study of this work
German/British engineering
Richard studied engineering at Manchester University.