developer

noun

1. 1

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

2. 2

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

3. 3

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

4. 4

   A liquid used in the chemical processing of traditional photos.

5. 5

   (dyeing) A reagent used to produce an ingrain color by its action upon some substance on the fiber.

6. 6

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