astrophysics
(noun) the branch of astronomy concerned with the physical and chemical properties of celestial bodies
Source: WordNet® 3.1
astrophysics (uncountable)
The branch of astronomy or physics that deals with the physical properties of celestial bodies and with the interaction between matter and radiation in celestial bodies and in the space between them.
Source: Wiktionary
As`tro*phys"ics, n. [Astro-+ physics.] (Astron.)
Definition: The science treating of the physical characteristics of the stars and other heavenly bodies, their chemical constitution, light, heat, atmospheres, etc.
Its observations are made with the spectroscope, bolometer, etc., usually in connection with the telescope.
Source: Webster’s Unabridged Dictionary 1913 Edition
3 April 2025
(noun) an assemblage of parts that is regarded as a single entity; “how big is that part compared to the whole?”; “the team is a unit”
Decaffeinated coffee is not caffeine-free. Studies from the National Institute of Health (US) have shown that virtually all decaf coffee types contain caffeine. A 236-ml (8-oz) cup of decaf coffee contains up to 7 mg of caffeine, whereas a regular cup provided 70-140 mg.
