ice core
noun
A cylinder of ice drilled out of a glacier or ice sheet (especially one in a polar region), typically analysed to obtain information about atmospheric change over time.
- Ice cores may be up to several thousand meters long, representing hundreds of thousands of years of snow accumulation..
Origin
1940s.
- root and branch
- Root and Branch Bill
- root and brancher
- root and branch party
- Root and Branch Petition
- root and branch policy
- root and branch reform
- root aorist
- root-a-toot
- root ball
- root-balled
- root beer
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- root crown