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determiner certain pronunciation in American English /ˈsɜrt(ə)n/
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  1. used for referring to someone or something without being specific about exactly what or who they are
    Certain basic rules must be obeyed.
    There are certain things we need to discuss urgently.
    Synonyms and related words
    1. a.
      spoken used for referring to someone or something without saying their name, when you know that the person you are talking to knows who or what you are referring to
      A certain person is going to be there, so you might not want to come.
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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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dolt

a stupid person

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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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