Word Study
fob off |
focal |
focal distance |
focal epilepsy |
focal infection |
focal length
| focal point
| focal ratio
| focal seizure
| focalisation
| focalise
focal length
WORDNET DICTIONARY
Noun focal length has 1 sense
- focal length(n = noun.attribute) focal distance - the distance from a lens to its focus; Array is a kind of distance
For further exploring for "focal length" in Webster Dictionary Online
