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geostrophic
geosynchronous
geosyncline
geotaxis
geotectonic
geothermal
geothermal energy
geothermal gradient
geotropism
Ger.
ger
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gerah
Geraldton
geraniol
geranium
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germ layer
germ lay·er (plural germ lay·ers)


noun 
Definition:
 
layer of embryo cells: any of the three distinct layers of cells formed during an embryo's early stages of development gastrulation
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