| A | B |
|---|
| Sublimation | to refine or purify |
| Dew point | temperature at which air becomes saturated and produces dew |
| Glacier | a huge mass of ice slowly flowing over a land mass, formed from compacted snow in an area where snow accumulation exceeds melting and sublimation |
| Estuary | an arm or inlet of the sea at the lower end of a river |
| Current | water moving in a certain direction |
| Ebb tide | the receding or outgoing tide; the period between high water and the succeeding low water |
| Gyre | a circular or spiral motion, especially a circular ocean current |
| Gulf stream | a warm ocean current that flows from the Gulf of Mexico northward through the Atlantic Ocean |
| Crest | the foamy top of a wave; the point of highest flood, as of a river |
| Trough | a long, wide, and deep depression in the ocean floor having gently sloping sides, wider and shallower than a trench |
| Tide | the inflow, outflow, or current of water at any given place resulting from the waves of tides |
| Spring tide | the large rise and fall of the tide at or soon after the new or full moon |
| Neap tide | tide that occurs when the difference between high and low tide is least; the lowest level of high tide; comes twice a month, in the first and third quarters of the moon |
| Tidal range | vertical difference between the highest high tide and the lowest low tide; it is the difference in height between high and low tides; aka. Spring tide |
