Inte - IRS
- integer
- integral calculus
- integrity
- integrity constraints
- intelligence
- intensity
- interactive
- intercept
- interferometric synthetic aperture radar
- interior orientation
- International Celestial Reference Frame
- International Celestial Reference System
- International Commission on Illumination
- InterNational Committee for Information Technology Standards
- international date line
- International Earth Rotation Service
- International Hydrographic Organization
- International Maritime Organization
- International Standards Organization
- International Telecommunications Union
- International Union of Geodesy and Geophysics
- Internet
- interop
- interoperability
- interoperable
- interpolation
- interpretation
- interrupted projection
- intersect
- interval scale
- intervisibility
- inverse distance weighted
