Pronunciation: [hˈɪlɪŋdən] (IPA) 
The word "Hillingdon" is spelled with the IPA phonetic transcription /ˈhɪlɪŋdən/. The first syllable is pronounced with a short "i" sound, followed by a soft "l" sound. The second syllable has a similar pronunciation as the word "in", and the final syllable is pronounced with a soft "d" sound. This word is often used as the name of an area in the London Borough of Hillingdon, and can cause confusion due to its unusual spelling.
Hillingdon is a term that can refer to different entities, including a place name, a local government district, and a borough located in Greater London, England.
As a place name, Hillingdon is derived from the Old English words "hyll" meaning hill and "dūn" meaning hill or fort. It refers to an area situated on a higher ground or a hill, generally in close proximity to a prominent hill or ridge.
Hillingdon also refers to the London Borough of Hillingdon, a local government district located in West London. It is one of the 32 boroughs of Greater London, covering a geographical area of approximately 44 square miles. Hillingdon borough is known for its diverse communities, including residential areas, commercial centers, and green spaces. Notably, it is home to London Heathrow Airport, one of the busiest airports in the world.
In addition, Hillingdon is a prominent district within the borough, serving as its administrative center. It is characterized by a mix of residential, commercial, and cultural establishments, which include shops, schools, libraries, and various amenities.
Overall, Hillingdon can be understood as both a place name referring to an elevated area or hill, as well as a district and borough in Greater London known for its diverse neighborhoods and significant landmarks.
The word "Hillingdon" is derived from Old English, specifically from the elements "hyll" and "dun".
"Hyll" means "hill", referring to the elevated nature of the area, while "dun" means "hill" or "down", also emphasizing the hilly landscape.
Combining these elements, the word "Hillingdon" essentially translates to "hill hill" or "hill down", reflecting the geographical features of the region.
