Dansk ordbog
Rejseparlør
Rimordbog
Krydsogtværsordbog
English Dictionary
Sprogforum
English
Dansk (Danish)
Norsk (Norwegian)
Recent queries
Harvesting
Scintillation
Hydrangea arborescens
Family Tetranychidae
Genus Burmeisteria
Genus Anagallis
Articular muscle
Reeler
Headquarters
English dictionary
Hint: With the Firefox addon you can search this dictionary from the browsers search field.
English
noun
:
stop number
1.
stop number
the ratio of the focal length to the diameter of a (camera) lens system
Synonyms
f number
,
focal ratio
,
speed
Broader (hypernym)
ratio
Based on WordNet 3.0 copyright © Princeton University.
Web design:
Orcapia v/Per Bang
. English edition:
Peter Jensen
.
2026
onlineordbog.dk