rec ‧ ti ‧ lin ‧ e ‧ ar /ˌrektəˈlɪniə◂, ˌrektɪˈlɪniə◂ $ -ər◂/ BrE AmE adjective technical
[ Date: 1600-1700 ; Language: Late Latin ; Origin: rectilineus , from Latin rectus 'straight' + linea 'line' ]
consisting of straight lines
rec ‧ ti ‧ lin ‧ e ‧ ar /ˌrektəˈlɪniə◂, ˌrektɪˈlɪniə◂ $ -ər◂/ BrE AmE adjective technical
[ Date: 1600-1700 ; Language: Late Latin ; Origin: rectilineus , from Latin rectus 'straight' + linea 'line' ]
consisting of straight lines
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012