high gravity; enhanced gravity
Scientific and science-fiction term for gravity stronger than Earth-normal. Used in physics, space science, and fictional settings.
The effects on the human body in high-gravity environments are being studied.
Because of the high gravity on this planet, movement is difficult.
低重力 is the opposite, meaning 'low gravity' or 'microgravity'.
Compound of 高 (こう, 'high') and 重力 (じゅうりょく, 'gravity'). A straightforward technical term.