- A small powerful boat designed for towing or pushing larger vessels. Also called towboat 拖船：用作拖动或推动大船的大马力小船 也作 towboat
- interfering
- interferometer
- interferon
- interferons
- interfertile
- interfluve
- interfluves
- intergalactic
- intergenerational
- intergenerational
- interglacial
- interglacials
- intergovernmental
- intergrade
- intergroup
- intergrowth
- interim
- interims
- interionic
- interior
- interior
- interior angle
- interior decoration
- interiorise
- interiorize