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complex (EN)
прилагательное, существительное

прилагательное “complex”

основа complex (more/most)
  1. сложный
    The human brain is a complex organ with many interconnected parts.
  2. комплексное (число)
    In our math class, we learned how to add and subtract complex numbers.

существительное “complex”

ед. complex, мн. complexes
  1. комплекс (зданий)
    The new apartment complex has a gym, a pool, and a small park for residents.
  2. взаимосвязанные системы
    Concerns about the growing power of the military-industrial complex have led to increased scrutiny and debate among policymakers and the public.
  3. комплекс (в психоанализе)
    His fear of abandonment is thought to stem from a complex developed in early childhood.
  4. комплексное соединение
    The biochemistry lecture covered how enzyme-substrate complexes are essential for metabolic reactions.