oppressive
1> , ;
_Ex:
oppressive rule ;
_Ex:
oppressive measures  ;
_Ex:
oppressive system of taxation   
2> , ; ;
_Ex:
oppressive weather  ;
_Ex:
oppressive heat  ;
_Ex:
oppressive sorrows  

oppressively
1> , 
2> ; 

oppressiveness
1>  

oppressor
1> ; ; , 

opprobrious
1> _. ;
_Ex:
opprobrious words 
2> _. , ;
_Ex:
opprobrious conduct  

opprobriousness
1> _. , ; 

opprobrium
1> _. , 
2> _. ; 

oppugn
1> _. ,  
2> _. , ;  

oppugnant
1> _. ; ;
; 

ops-con
1> _.  ; 

ops.
1> _. _.  ;  
2> _. _.   
3> _. _. ,  

opsimath
1> _. ,    

opsimathy
1> _.   

opsonin
1> _. 

opsonization
1> _. 

opster
1> _. _. ,    "-"

opt
1> ,  ; ;
_Ex:
the class opted to go on a field trip   
  ;
_Ex:
weaker students ofter opt for the easier courses 
   

opt in
1> _.   -;    -;
_Ex:
when they offered a new insurance plan, many workers opted
in      ,  
  

opt out
1> _.     -; ; 
 ;
_Ex:
to opt out of a task    

optation
1> _. ; 

optative
1> _. 
2> _. , ;
_Ex:
optative mood 

optic
1>  _pl. 
2> , ;
_Ex:
optic nerve  ;
_Ex:
optic angle  

optical
1> ; ;
_Ex:
optical defect  ;
_Ex:
optical illusion  ;
_Ex:
optical axis _.  ;
_Ex:
optical disk _. ;
_Ex:
optical exposure _. , ;
_Ex:
optical range _.   
2> , ;
_Ex:
optical galaxy _.   
3>   -

optical art
1> "-"

optical astronomy
1>  

optical fiber
1> _.  , 

optical glass
1> _.  

optical maser
1> _. 

optically
1> ; 

optician
1> 

opticist
1>  (-)

opticity
1> _.  

optics
1> 

optima
1> _pl.  optimum

optimacy
1> _.  
2> _. 

optimal
1> ;  

optimate
1> . _pl. ; 

optimism
1> 

optimist
1> 

optimistic, optimistical
1> , ;
_Ex:
an optimistic, optimistical view of things 
  ;
_Ex:
I am optimistic, optimistical about the chance of good
weather this weekend -,    
   

optimistically
1> , 

optimization
1> 

optimize
1>  ;     
2>   , 

optimum
1>   ; ;
_Ex:
optimum mixture _.  

option
1> ,    ;
_Ex:
local option      
(  );
_Ex:
at the option of the purchaser, at buyer's option  
;
_Ex:
the option of a fine _.     
 ;
_Ex:
to take up the option  ;
_Ex:
to leave to smb.'s option   - ;
_Ex:
I had no option but to come      ,
  
2>  ;
_Ex:
Spanish is one of the options  -   ,
   ( );
_Ex:
none of the options is satisfactory  
3> _. ;
_Ex:
option of nationality  
4> _. ,   
5> _.   
6> _.  
_Id:
to keep one's options open    ;
_Id:
soft option   ;
_Id:
to take a soft option     

optional
1> ; ;
_Ex:
optional attendance    ;
_Ex:
optional subjects  ;
_Ex:
purely optional contributions   ;
_Ex:
optional equipment  ;
_Ex:
optional sports   
_Id:
optional at extra cost _.   


optionally
1> ; 

optoacoustic
1> 

optoelectronics
1> 

optometer
1> _.  (    )

optometric
1> _. 

optometrist
1> , ,  

optometry
1> _. 

optophone
1>  (     )

opulence
1> , 
2> , 

opulent
1> , ;
_Ex:
opulent banker  
2> _. , ; ;
_Ex:
opulent feast  ;
_Ex:
opulent sunshine  ;
_Ex:
opulent vegetation  ;
_Ex:
opulent hair  
3> ,  ( )

opulently
1> ; ; ; 

opuntia
1> _. 

opus
1> _.  ( );
_Ex:
Beethoven's O. 106 ,  106
2>  ()
_Ex:
magnum opus   
3> _. 

opuscule
1>     

or
1> _.  
2>       
 ,      
 ;
_Ex:
tomorrow or on Sunday    ;
_Ex:
open or shut   ;
_Ex:
shall I help you or you'd rather do it yourself?  
    ?
3>      ;
_Ex:
black, white or gray ,   ;
_Ex:
apples, pears or plums ,   
4>      ;
_Ex:
one or two   ; -;
_Ex:
four or five miles    ;
_Ex:
a day or two   ; -;
_Ex:
you may walk ten or over twelve miles there without finding
a house    -    
  ;
_Ex:
or so  , ; , - 
;
_Ex:
he is twenty or so   ;
_Ex:
it will cost you five pounds or so    
  ;
_Ex:
in a month or so   ;
_Ex:
I expect to stay in Moscow a day or so    
 -
5> , ,  () ;
_Ex:
put your coat on, or you'll catch cold  ,
   ;
_Ex:
lay down your arms or we shot  ,  ()  
 
6>     ; , ;
_Ex:
do what I say or   ,    ... ( 
 );
don't move or I'll shoot   ,  ;
_Ex:
hurry, or you will be late ,   
7>      ( 
     )
 ... ;
()  ...  ;
_Ex:
he has not left the key here or at home    
 ,  ;
_Ex:
he came without luggage or money     
 
8>     ,  
    ,  ;
_Ex:
an English pound, or twenty shillings   
20 ;
_Ex:
botany, or the science of plants ,  
 
9>   ,    ,
 ,  ;
_Ex:
his autobiography, or rather memoirs, is ready for publication
 , , , ,   

or else
1> , ,  () ;
_Ex:
put your coat on, or else you'll catch cold  ,
   ;
_Ex:
lay down your arms or else we shot  ,  ()
   
2>     ; , ;
_Ex:
do what I say or else   ,    ... (
  )

or... or
1>  ... ,  ... 

ora
1> _pl.  os

ora pro nobis
1> _.   

orach
1> _. 

orache
1> _. 

oracle
1> , 
2> , 
3> , 
4>  _.  , ; 
5>  _.  ;
_Ex:
his words were received as an oracle   
  
6> ,  ;
_Ex:
he called the watch and compass his only oracles  
    
7>   (  )
8> _pl.  , 
_Id:
to work the oracle   , 
;  
9> _. , , 

oracular
1> , , 
_Ex:
oracular tongue  ;
_Ex:
oracular utterances  
2> , 
3>   , ;
_Ex:
whatever he said or wrote was considered as oracular by
his disciples ,     ,  
 
4> , 

oracularity
1> ; 
2> ; 

oracy
1>   ;
_Ex:
teaching oracy      

oral
1>  ;
_Ex:
orals _.     
2> _. 
3> _.  
4> ; 
_Ex:
oral examination  ;
_Ex:
oral tradition  ;
_Ex:
oral evidence   ; 
;
_Ex:
oral translation  
5> "" (  );
_Ex:
oral instruction  ;
_Ex:
oral scholl   
6> _. ; ;
_Ex:
oral cavity  ;
_Ex:
oral hygiene   
7> ,   ;
_Ex:
oral contraceptive  
8> _. 

oral history
1>  

oral law
1>  

oralism
1>     " "

orally
1> ;
_Ex:
to do an exercise orally   ;
_Ex:
to deliver a message orally  -  
2>   ; ;
_Ex:
medicine given orally    

oramon
1> _.    

orang
1> _.  orang-outang _.  (Simia satyrus,
Pongo pygmaeus)

orang-outang
1> _.  (Simia satyrus, Pongo pygmaeus)

orang-utan
1> _.  (Simia satyrus, Pongo pygmaeus)

orange
1> _. ,  
2> ;
_Ex:
clove orange  ();
_Ex:
China orange ;
_Ex:
to squeeze the orange    
3>  
4> _.    
_Id:
oranges and lemons "  " ( 
);
_Id:
squeezed orange -  ; "
",   
5> ;
_Ex:
orange ribbon  ;
_Ex:
orange light _.  
6> , ;
_Ex:
drink with orange flavour    
_Id:
orange book    ( 
)

orange blossom
1>  ;   
2>  ( )

orange lily
1> _.  

orange melon
1>  

orange pekoe
1>      

orange rockfish
1> _.  

orange squash
1>  ()

orange stick
1> 

orange-bloom
1>   

orange-fin
1>  

orange-flower
1>  ;   
2>  ( )
_Ex:
orange-flower water  ,   
 

orange-grove
1>  

orange-jelly
1>  

orange-marmalade
1>  

orange-oil
1>  

orange-peel
1>  , ;  
2>  
3> - 

orange-root
1> _.  ,  

orange-shaped
1>   

orange-squeezer
1>   

orange-tawny
1> - 
2>  - 
3> -; -

