[ef-nuhm-ber] /ˈɛfˌnʌm bər/ noun, Optics, Photography. 1. a number corresponding to the ratio of the focal length to the diameter of a lens system, especially a camera lens. In f /1.4, 1.4 is the f-number and signifies that the focal length of the lens is 1.4 times as great as the diameter. /, f/, f, […]
[foh; for 2 also Italian faw] /foʊ; for 2 also Italian fɔ/ noun 1. Chinese. (def 1). 2. Dario [dah-ryaw] /ˈdɑ ryɔ/ (Show IPA), born 1926, Italian playwright and theater director: Nobel Prize 1997. 1. . 1. field officer. 2. foreign office. 3. Military. forward observer. abbreviation 1. Faeroe Islands /fəʊ/ noun 1. Dario (ˈdærɪəʊ). […]
1. field officer. 2. foreign office. 3. Military. forward observer.
full operational assessment