F-star
noun, Astronomy.
1.
a white to yellow star, as Canopus, Polaris, or Procyon, having a surface temperature between 6000 and 7500 K and an absorption spectrum in which the pair of ultraviolet lines of singly ionized calcium and the Balmer series of hydrogen are of about equal strength.
Read Also:
- F-stop
[ef-stop] /ˈɛfˌstɒp/ noun, Photography. 1. the setting of an adjustable lens aperture, as indicated by an f number. noun 1. any of the settings for the f-number of a camera
- Fsts
Federal Secure Telephone Service
- Fsu
1. Florida State University 2. former Soviet Union
- Fsw
flight software
- F-system
[ef-sis-tuh m] /ˈɛfˌsɪs təm/ noun, Optics, Photography. 1. a system that indicates the relative aperture of a camera lens based on the f-number.