annu - arre
- annual aggregator
- annual change
- annual closure
- annual course
- annual cycle
- annual depletion rate
- annual distribution of stream flow
- annual distribution of streamflow
- annual dynamics
- annual dynamics of ecosystem
- annual emissions
- annual flow
- annual fluctuation
- annual growth
- annual irrigation network
- annual man-rem dose
- annual nutrients removal
- annual pasture
- annual plant
- annual precipitation
- annual removal
- annual report
- annual run-off
- annual runoff
- annual shoot
- annual storage reservoir
- annual succession
- annual variation
- annual yield of drainage basin
- annual zone
- annuation
- annular biological reactor
- anomalous earthquake
- anomalous fluctuations
- anonymity
- anormogenesis
- anoxemia
- anoxia
- anoxia tolerance
- anoxibiont