noun
artificial harbor
A harbor constructed by human engineering rather than formed naturally. Used in technical, engineering, and geographical contexts.
この人工港は大型船の受け入れを目的に建設された。
This artificial harbor was built to accommodate large vessels.
天然港 is a natural harbor, formed by natural geographical features, while 人工港 is man-made.
Compound of 人工 (じんこう, 'artificial') and 港 (こう, 'harbor').