Sign in | English | Terms of Use
DictionaryForumContacts
Google | Forvo | +
to phrases
 English thesaurus

f-number

['efˌnʌmbə]
abbr. focal number
abbr., opt. f /#
f
: 14 phrases in 5 subjects
Electricity generation1
Electronics1
Mathematics10
Transformers1
Vacuum tubes1

Add | Report an error | Get short URL