Thurs·ton Island 
(thûrstən)
(thûrstən) An island off Antarctica between the Bellingshausen and Amundsen Seas. Before 1960 it was thought to be a peninsula of the mainland.
- alternating current
- alternating group
- alternation
- alternation of generations
- alternative
- alternatively
- alternative medicine
- alternative minimum tax
- alternative pathway
- alternative school
- alternator
- althaea
- althea
- Althea
- Althing
- altho
- althorn
- although
- altimeter
- altimetric
- altimetry
- altiplano
- altitude
- altitude sickness
- altitudinal