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a.
of or relating to the science of ecology; characterized by the interdependence of living organisms in an environment


Spelling Word: ecological
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v. Syn. reserve
obtain for services of; arrange for the use of; pledge or promise, especially to marry


Spelling Word: engage
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n.
real being; something that exists as a particular and discrete unit; fact of existence


Spelling Word: entity
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n.
outer, protective layer of skin of vertebrates


Spelling Word: epidermis
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v. Syn. assess; appraise; evaluate
judge to be probable; form an opinion about; evaluate


Spelling Word: estimate
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n. Syn. substitute
substitute; trade in; give in return for something received


Spelling Word: exchange
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n.
unfair use of someone’s work giving little in return


Spelling Word: exploitation
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a. Syn. exterior; outer
exterior; outer; suitable for application to the outside


Spelling Word: external
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v. Syn. derive; remove; squeeze
draw or pull out, usually with some force or effort; remove; get despite difficulties or obstacles


Spelling Word: extract
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n.
small portable battery-powered electric lamp


Spelling Word: flashlight