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adjective complex pronunciation in British English /ˈkɒmpleks/complex pronunciation in British English /kəmˈpleks/
  1. 1
    something that is complex has a lot of details or small parts that make it difficult to understand or deal with
    the complex web of relationships between the two families
    This was a complex and difficult task.
    highly complex: These rules are highly complex.

nanodegree

a course of study which is much shorter than a university course and focuses on the skills you need for a job, especially computer-related skills

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hypocaust

an ancient Roman system of underfloor heating, used to heat houses with hot air; from the Latin 'hypocaustum'

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