noun
artificial ice
Refers to ice produced by human-made processes, as opposed to natural ice. Used in technical, industrial, and everyday contexts.
このスケートリンクでは人造氷を使っている。
This skating rink uses artificial ice.
天然氷 is natural ice, formed without human intervention, while 人造氷 is artificially produced.
Compound of 人造 (じんぞう, 'artificial, man-made') and 氷 (こおり, 'ice').