polar-class icebreaker


polar-class icebreaker

[¦pō·lər ‚klas ′īs‚brāk·ər] (naval architecture) A ship that has a reinforced hull, a specially designed bow, and a system that allows rapid shifting of ballast to increase the effectiveness of icebreaking. It serves in the Arctic or the Antarctic as a platform for polar and ocean science and research.