intr - isoc
- intracloud discharge
- intracloud lightning
- intransitive
- intransitive system
- intraseasonal
- intraseasonal low-frequency variability
- intraseasonal oscillation
- intraseasonal time scale
- intrinsic frequency
- intrusion
- inundation
- invading air
- invariable
- invariant imbedding (method)
- invasion
- inverna
- inverse (discrete) Fourier transform
- inverse method
- inverse problem
- inverse technique
- inverse transform
- inverse-square law
- inversion
- inversion base
- inversion breakup
- inversion cloud
- inversion fog
- inversion freezing
- inversion haze
- inversion height
- inversion layer
- inversion lid
- inversion method
- inversion of rainfall
- inverted trough
- inverted V pattern
- invertibility principle
- invierno
- inviscid fluid
- invisible cirrus
