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nilas [ ni·las ]

[
US
niːləz ]
[
UK
niːləz ]
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Noun

1. A type of ice which forms on a calm sea as a flexible dull grey crust up to 10 cm thick.

Origin

1. 1960s. From Russian regional (northern, Archangel, and White Sea) nilas, probably from a Finnic root *nila, lit. ‘slippery slime’, or *nilo- to come loose easily (originally of bark at sap-time).

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