Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
English
⇄
Arabic
Chinese
English
French
Russian
Serbian Latin
Spanish
G
o
o
g
l
e
|
Forvo
|
+
to phrases
English thesaurus
Source Level
abbr., scottish
SL
Source Level:
1 phrase
in 1 subject
Optics
branch of physics
1
Add
|
Report an error
|
Get short URL
|
Language Selection Tips
