developer

noun

1. A person or entity engaged in the creation or improvement of certain classes of products.

2. A real estate developer; a person or company who prepares a parcel of land for sale, or creates structures on that land.

3. A film developer; a person who uses chemicals to create photographs from photograph negatives.

4. A liquid used in the chemical processing of traditional photos.

5. dyeingA reagent used to produce an ingrain color by its action upon some substance on the fiber.

6. computingA software developer; a person or company who creates or modifies computer software.

7. Someone who develops real estate (especially someone who prepares a site for residential or commercial use)person

8. Photographic equipment consisting of a chemical solution for developing film