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Oceanography Study Words I

Word List with 31 words
*By Dictionary.com

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Words in This List

abyssal plain
noun
large area of extremely flat or gently sloping ocean floor just offshore from a continent
accreted
verb
to grow together
aseismic
adjective
denoting a region free of earthquakes
asthenosphere
noun
region below the lithosphere, variously estimated as being from fifty to several hundred miles thick
basalt
noun
igneous rock of a lava flow composed essentially of labradorite and pyroxene
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bathymetry
noun
measurement of the depths of oceans, seas or other large bodies of water
chemosynthesis
noun
synthesis of organic compound inside an organism with chemical reactions providing the energy source
clastic
adjective
pertaining to rocks composed of fragments or particles of previously existing solid matter
collisional
noun
meeting of particles in which each exerts a force upon the other causing the exchange of momentum
continental margin
noun
offshore zone that separates the dry-land portion of a continent from the deep ocean floor
continental shelf
noun
part of a continent that is submerged in relatively shallow sea
convergent
adjective
body of water moving towards or meeting at some common point
crust
noun
outer layer of the earth deep under the oceans
east pacific rise
noun
north-south elevation of the sea floor in the E Pacific Ocean, from SW Mexico to the Antarctic Ocean
fathom
noun
unit of length equal to six feet, used chiefly in nautical measurements
fracture zone
noun
long, narrow rift on the ocean floor, separating areas of differing depth
guyots
noun
flat-topped seamount, found chiefly in the Pacific Ocean
ice rafting
noun
transference of various material by ice
inner core
noun
solid sphere in the middle of the fluid core such as the iron-nickel core of the Earth
inorganic
adjective
not having the structure or organization characteristic of living bodies
island
noun
tract of land completely surrounded by water, and not large enough to be called a continent
knots
noun
unit of speed equal to one nautical mile or about 1.15 statute miles per hour
latitude
noun
angular distance north or south from the equator
lava
noun
molten, fluid rock that issues from a volcano or volcanic vent
league
noun
distance of three miles under the sea
lithosphere
noun
solid portion of the earth distinguished from atmosphere and hydrosphere
lower mantle
noun
portion of the mantle below a depth of about six hundred miles
mafic
adjective
pertaining to rocks rich in dark, ferromagnesian minerals
microplankton
noun
plankton visible as individual organisms only with the aid of a microscope
mid-ocean ridge
noun
submarine mountain ranges that extend through the Atlantic, Indian and South Pacific oceans
mor
noun
layer of acidic humus formed in cool moist areas where decomposition is slow

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Essential Latin Roots: Para-
by Dictionary.com
11 words

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SAT English: Adjectives to charm your instructor
by Dictionary.com
15 words

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Kaplan's Advanced SAT Vocabulary

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