Pronunciation: [kˌɒzməlˈɒd͡ʒɪkə͡l] (IPA) 
Cosmological is spelled kɒzməlɒdʒɪk(ə)l. The word is derived from the Greek word kosmos meaning "world" or "universe." The initial "c" in cosmological is replaced by the letter "k" because the sound it represents is a velar stop, similar to the "k" sound. The "o" in the first syllable is pronounced as a short "o" while the "o" in the second syllable is pronounced as a long "o." The final "g" in cosmological is silent.
Cosmological is an adjective that pertains to cosmology, which is the branch of science that deals with the study of the origin, structure, composition, and evolution of the universe. It relates to the understanding and exploration of the physical laws, forces, and processes that govern the cosmos on a large scale.
On a conceptual level, cosmological refers to theories, models, or explanations that attempt to describe the overall nature and fundamental properties of the universe. It encompasses ideas and principles that seek to explain the existence and behavior of the universe as a whole, rather than focusing on specific celestial objects or phenomena.
In a broader sense, cosmological denotes the philosophical inquiry into the nature, origins, and ultimate destiny of the universe. It encompasses ideas about the existence of a higher power, the nature of time and space, the possibility of multiple universes, and the concept of a "Big Bang" origin. Cosmological theories often involve complex mathematical models and rely on observational data gathered from various branches of science, such as astronomy, astrophysics, and particle physics.
Furthermore, cosmological can also describe aspects or phenomena that have a wide-reaching impact on the cosmic scale. For example, it can refer to the cosmological redshift, which is the observed shift in the wavelength of light coming from distant galaxies caused by the expansion of the universe.
Overall, cosmological is a term that encompasses the scientific, philosophical, and theoretical exploration of the universe and its fundamental principles.
The word "cosmological" is derived from the combination of two Greek roots - "kosmos" meaning "world" or "universe" and "logos" meaning "study" or "theory". The word "cosmos" itself originally referred to the orderly arrangement of the universe, and the addition of "logos" emphasizes its study or explanation. Thus, "cosmological" refers to anything related to the study or theory of the universe.
