The keyword term "911 imdb" functions as a compound proper noun. It is a noun phrase composed of two separate proper nouns: "9-1-1," the title of a specific television series, and "IMDb," the acronym for the Internet Movie Database. Together, they form a single conceptual unit that names a specific web page or informational entity.
Grammatically, this structure involves a noun adjunct, where the first noun ("911") modifies the second noun ("imdb"). In this construction, "911" acts attributively to specify which IMDb entry is being referenced. This is distinct from an adjective-noun pairing; both components are nouns, but one serves to narrow the identity of the other. This syntactic pattern is common for creating specific identifiers, such as "Empire State Building" or "Amazon Prime."
Recognizing the term as a compound proper noun is critical for its correct application in writing. It should be treated as a singular entity within a sentence, influencing subject-verb agreement and capitalization (e.g., "The 9-1-1 IMDb page provides cast details."). This classification confirms that the term refers to a unique, named concept rather than a general description, which is fundamental for targeting content and search engine optimization accurately.
