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Bss Esc 8-12
Chapter 12
26
Science
11th Grade
01/11/2009

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Term
atoll
Definition
a ring-shaped coral reef or a string of closely spaced small coral islands, enclosing or nearly enclosing a shallow lagoon.
Term
backwash
Definition
Nautical. water thrown backward by the motion of oars, propellers, paddle wheels, etc.
Term
barrier island
Definition
Nautical. water thrown backward by the motion of oars, propellers, paddle wheels, etc.
Term
barrier reef
Definition
a reef of coral running roughly parallel to the shore and separated from it by a wide, deep lagoon.
Origin:
Term
beach
Definition
an expanse of sand or pebbles along a shore.
Term
blowouts
Definition
A sudden escape of a confined gas or liquid, as from a well.
Term
corals
Definition
A rocklike deposit consisting of the calcareous skeletons secreted by various anthozoans. Coral deposits often accumulate to form reefs or islands in warm seas.
Term
deflation
Definition
the act of deflating or the state of being deflated.
Term
desert pavement
Definition
A desert pavement is a desert surface that is covered with closely packed, interlocking angular or rounded rock fragments of pebble and cobble size.
Term
dune
Definition
a sand hill or sand ridge formed by the wind, usually in desert regions or near lakes and oceans.
Term
dust storm
Definition
a storm of strong winds and dust-filled air over an extensive area during a period of drought over normally arable land (distinguished from sandstorm ).
Term
fetch
Definition
to go and bring things.
Term
fiord
Definition
a long narrow inlet of the sea between steep cliffs; common in Norway
Term
fringing reef
Definition
a coral reef close to and along the land.
Term
lagoon
Definition
an area of shallow water separated from the sea by low sandy dunes.
Term
loess
Definition
a loamy deposit formed by wind, usually yellowish and calcareous, common in the Mississippi Valley and in Europe and Asia.
Term
longshore current
Definition
Longshore drift (sometimes known as shore drift, LSD or littoral drift) is a geological process by which sediments such as sand or other materials, move along a beach shore.
Term
period
Definition
a round of time marked by the recurrence of some phenomenon or occupied by some recurring process or action.
Term
refraction
Definition
Physics. the change of direction of a ray of light, sound, heat, or the like, in passing obliquely from one medium into another in which its wave velocity is different.
Term
rip current
Definition
A strong, narrow surface current that flows rapidly away from the shore, returning the water carried landward by waves. Also called rip tide, tiderip.
Term
sea cliff
Definition
a high steep face of a rock.
Term
swash
Definition
to splash, as things in water, or as water does: Waves were swashing against the piers.
Term
tsunami
Definition
an unusually large sea wave produced by a seaquake or undersea volcanic eruption.
Term
ventifact
Definition
a pebble or cobble that has been faceted, grooved, and polished by the erosive action of wind-driven sand.
Term
wave length
Definition
Physics. the distance, measured in the direction of propagation of a wave, between two successive points in the wave that are characterized by the same phase of oscillation.
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