(See related pages)
Below you will find key words and concepts that you should remember from this chapter.
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| arch (sea arch) | Bridge of rock left above an opening eroded in a headland by waves. (See page(s) 516) |
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| barrier island | Ridge of sand paralleling the shoreline and extending above sea level. (See page(s) 516) |
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| baymouth bar | A ridge of sediment that cuts a bay off from the ocean. (See page(s) 511) |
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| beach | Strip of sediment, usually sand but sometimes pebbles, boulders, or mud, that extends from the low-water line inland to a cliff or zone of permanent vegetation. (See page(s) 510) |
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| beach face | The section of the beach exposed to wave action. (See page(s) 510) |
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| berm | Platform of wave-deposited sediment that is flat or slopes slightly landward. (See page(s) 510) |
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| breaker | A wave that has become so steep that the crest of the wave topples forward, moving faster than the main body of the wave. (See page(s) 508) |
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| coast | The land near the sea, including the beach and a strip of land inland from the beach. (See page(s) 514) |
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| coastal straightening | The gradual straightening of an irregular shoreline by wave erosion of headlands and wave deposition in bays. (See page(s) 515) |
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| crest (of wave) | The high point of a wave. (See page(s) 507) |
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| estuary | Drowned river mouth. (See page(s) 518) |
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| fiord | A coastal inlet that is a glacially carved valley, the base of which is submerged. (See page(s) 518) |
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| headland | Point of land along a coast. (See page(s) 515) |
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| longshore current | A moving mass of water that develops parallel to a shoreline. (See page(s) 508) |
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| longshore drift | Movement of sediment parallel to shore when waves strike a shoreline at an angle. (See page(s) 511) |
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| marine terrace | A broad, gently sloping platform that may be exposed at low tide. (See page(s) 510) |
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| rip current | Narrow currents that flow straight out to sea in the surf zone, returning water seaward that has been pushed ashore by breaking waves. (See page(s) 508) |
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| sea cliff | Steep slope that retreats inland by mass wasting as wave erosion undercuts it. (See page(s) 515) |
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| spit | A fingerlike ridge of sediment attached to land but extending out into open water. (See page(s) 511) |
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| stack | A small rock island that is an erosional remnant of a headland left behind as a wave-eroded coast retreats inland. (See page(s) 516) |
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| surf | Breaking waves. (See page(s) 508) |
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| tombolo | A bar of marine sediment connecting a former island or stack to the mainland. (See page(s) 512) |
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| trough (of wave) | The low point of a wave. (See page(s) 507) |
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| wave-cut platform | A horizontal bench of rock formed beneath the surf zone as a coast retreats because of wave erosion. (See page(s) 516) |
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| wave height | The vertical distance between the crest (the high point of a wave) and the trough (the low point). (See page(s) 507) |
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| wavelength | The horizontal distance between two wave crests (or two troughs). (See page(s) 507) |
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| wave refraction | Change in direction of waves due to slowing as they enter shallow water. (See page(s) 508) |