17-letter words containing o, x, a, l
- thermal expansion — expansion caused by heat
- to a large extent — greatly
- urban exploration — a recreational activity in which people explore derelict urban structures such as abandoned sewers or underground railways or attempt to access areas which are closed to the public such as the roofs of skyscrapers
- vitamin b complex — an important group of water-soluble vitamins containing vitamin B 1 , vitamin B 2 , etc.
- xiao hinggan ling — mountain range in NE China running parallel to the Amur River: highest peak, 4,665 ft (1,422 m)