What does "photography" mean?

1. (the art or hobby) the activity or hobby of taking photographs. 2. (the profession) the job of taking and selling photographs.

Is it correct to say "I am very interested in the photography."?

No — say "I am very interested in photography.". When talking about photography as a general subject or hobby, do not use the definite article 'the'.

photography

US //fəˈtɑɡɹəfi// UK //fətˈɒɡɹəfˌi// pho·tog·ra·phy

1 the art or hobby (n.)
B1 Intermediate

the activity or hobby of taking photographs.

the art or process of producing images by the action of radiant energy and especially light on a sensitive surface.

Example

She decided to take up photography so she could capture better holiday photos.

Example

Digital photography has democratised the medium, allowing amateur enthusiasts to experiment with composition and lighting without the prohibitive costs of film development.
- picture taking
- imaging
Pitfall

I am very interested in the photography.

I am very interested in photography.

When talking about photography as a general subject or hobby, do not use the definite article 'the'.
2 the profession (n.)
B2 Upper Intermediate

the job of taking and selling photographs.

the occupation or professional practice of taking, processing, and distributing photographs.

Example

He spent years working in fashion photography before opening his own studio.

Example

The rise of high-quality smartphone cameras has significantly disrupted the market for professional event photography, forcing many studios to diversify their services.
- photojournalism
- commercial photography

Origin

From French photographie. By surface analysis, photo- + -graphy, together meaning "drawing with light" or "representation by means of lines", "drawing". From φῶς (phôs, “of light”), and γράφω (gráphō, “write, draw”).