nilas

Noun

Newly frozen sea ice in the form of a smooth sheet less than 10 centimeters (4 inches) thick.

Japanese Meaning

新たに凍結された海氷で、厚さ約10センチ未満の、滑らかなシート状の氷

Careful observers on the research vessel noted delicate nilas forming across the bay overnight.

観測船の乗組員は、夜間に湾内に厚さ10センチ未満の薄く滑らかな新たに凍った海氷が広がるのを注意深く観察した。

Sense（1）

Newly frozen sea ice in the form of a smooth sheet less than 10 centimeters (4 inches) thick.