熱ねっ帯たい性せい低てい気き圧あつねったいせいていきあつMeanings1nountropical cycloneMeteorological term for a rotating storm system that forms over tropical waters. Synonymous with 熱帯低気圧.See also: 熱帯低気圧熱ねっ帯たい性せい低てい気き圧あつが発