f-stop
noun
ˈef-ˌstäp 
: a camera lens aperture setting indicated by an f-number
Word History
First Known Use
1946, in the meaning defined above
- San Fernando
- san franciscan
- San Francisco
- San Francisco Peaks
- San Gabriel
- San Gabriel Mountains
- San Germán
- San Gimignano
- san hemp
- San Ildefonso
- San Isidro
- San Jacinto
- San Jacinto Day
- san jo
- san joa
- San Joaquin
- San Joaquin fever
- san joaquin valley fever
- San Jose
- San Jose del Monte
- San Jose scale
- San Juan
- san juan capistrano
- San Juan Hill
- San Juan Islands