Group (E F) - Spelling Practices

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(1) n. (эго) self, especially as distinct from the world and other selves; exaggerated sense of self-importance
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(2) n. (Электроника) branch of physics that deals with the behavior of electrons; electronic devices
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(3) v. Syn. surround(охватывает) surround; form a circle or ring around; enclose; envelop
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(4) n. Syn. company; firm; business(предприятия) company; firm; organization created for business ventures 
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(5) a. Syn. necessary; critical; vital; indispensable; fundamental(эфирные) necessary; critical; vital; constituting or being part of the essence of something
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(6) n. (эксплуатации) unfair use of someone’s work giving little in return
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(7) n. Syn. disclosure(воздействия) risk, particularly of being exposed to disease; unmasking; act of laying something open
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(8) a. Syn. excellent; extraordinary(фантастический) excellent; extraordinary; strange in form, conception, or appearance
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(9) n. Syn. holiday(фестиваль) a day or period of time for feasting and celebration
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(10) n. Syn. enmity; vendetta(вражда) bitter quarrel between two parties