acentric
1>   ; 
2> _. , 

acephalous
1> _. , 
2> _. 
3>  , 
4>   ( );   

acequia
1>  , 

acerate
1> _. , ; 

acerated
1> _. , ; 

acerb
1> , 
2> , ; 

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

acerbic
1> , 
2> , 
3> , ; 
_Ex:
acerbic feuds  

acerbity
1> ;    
2> , ; 
3> ,    

acerdese
1> _. 

acerola
1> _.   (Malphigia gen.)

acerose
1> _. ;
_Ex:
acerose leaf ,  
2>  
3>   

acerous
1> _.     
2> _. 

acervate
1> _. , ;  ,
  

aces
1> _. _.   ; 

acescence
1> 

acescent
1> ;  
2> , 
3> _. 

acet-
1> _.     :  
    
_Ex:
acetum ;
_Ex:
acetyl 

acetabular
1> _.  ( )

acetabulum
1> _.  

acetaldehyde
1> _. 

acetanilide
1> _. 

acetate
1> _.   ; 
2> _.  ;
_Ex:
acetate silk  
3> _.  

acetated
1> _. 

acetic
1> _. ;
_Ex:
acetic acid  

acetification
1> _.  ()

acetify
1> _.       
2> _.       

acetimeter
1> _. 

acetize
1> _.       
2> _.       

acetone
1> _. 

acetose, acetous
1> ; 

acetum
1> _. 

acetyl
1> _. 

acetylcholine
1> _. 

acetylene
1> _. ;
_Ex:
acetylene welding  ;
_Ex:
acetylene lamp  

acetylide
1> _.   

acetylsalicylic acid
1>  , 

acey-deucy
1> "-",    
2> _.  , 

Achaean
1> _. ;
_Ex:
the Achaeans 
2> ; 
3> _. ;
_Ex:
Achaean League  
4> 

Achates
1> _. _. ,  
2>  ;  

ache
1>  (. , );
_Ex:
to have an ache  ;
_Ex:
to have aches and pains all over  
2> ,  ;
_Ex:
my head aches    ;
_Ex:
it made my head ache      ;
_Ex:
he ached all over    
3> ; ;   -.;
_Ex:
my heart aches at the sight of him, it makes my heart ache
to see him    ,    ;
_Ex:
she ached for the hurt little dog     
 
4> _. ,    ;
_Ex:
I ached to see him     ;
_Ex:
his body ached for a rest      ;
_Ex:
he was aching for home    ;
_Ex:
he was aching to go    
5> ,   

Achean
1> _. ;
_Ex:
the Acheans 
2> ; 
3> _. ;
4> 

Achelous
1> _. _. 

achene
1> _. 

Acheron
1> _. _. 
2> _. _.  , , 

Acheulian
1> _.  ( )

achievability
1> 

achievable
1> , 

achieve
1> ; ;
_Ex:
to achieve one's purpose  ;
_Ex:
to achieve victory  ;
_Ex:
his words achieved their object    ;
_Ex:
to achieve the impossible  
2>  ;
_Ex:
our plan was achieved     

achieved status
1> _.   ; 
,     

achievement
1> , , ;
_Ex:
considerable achievements  ;
_Ex:
achievement sheet  ;   ;
_Ex:
achievement test ,    
 ;
_Ex:
the achievements of science  ;
_Ex:
to be proud of one's achievements  ;
_Ex:
sense of achievement  , 
 
2> ;
_Ex:
heroic achievements  
3> ;
_Ex:
impossible of achievement 

Achillean
1> _. _.  
2> , 

Achilles
1> _. _. , 
2> _.  ()
_Id:
Achilles' tendon _.  ;
_Id:
Achilles' heel, the heel of Achilles  ,
 ;
_Id:
Achilles' spear ,    

aching
1> , , ;
_Ex:
aching tooth  ;
_Ex:
to do smth. with an aching heart  -.  
;
_Ex:
aching void  

achkan
1> , 

achodate
1> _. 

acholia
1> _. ,   

achondrite
1>  ( )

achoo
1> _. !

achromat
1> ,   

achromate
1>   , 

achromatic
1> ,  
2> _. ;
_Ex:
achromatic lens ,   
3> _.   , 
4> _. ; 
5> _. 

achromaticity
1> _. , 

achromatin
1> _. 

achromatism
1> _. , 

achromatize
1> _. 
2> _. 

achromatophilous
1> _.    ( )

achromatopsia
1> ,   

achromatous
1> ,  
2> ; 

achromic
1> ,  

achroous
1> , 
2> _. 

Achtung!
1> _. !

achy
1> , , ;
_Ex:
I feel achy  ;
_Ex:
weeping made her eyes achy      

acicula
1> _. , ; 

aciculae
1> _pl.  acicula

acicular
1> _. ; ; 

acid
1> 
2> ; ; ,  ;
_Ex:
he has nothing but acid to offer as criticism  
   
3> _. "",  ;
_Ex:
acid freak ,  
_Id:
to put on the acid _. _. , ; ,
  
4> ;
_Ex:
acid drops  
5> , ;
_Ex:
acid wit  ;
_Ex:
acid remarks about an opponent    

6> , ;
_Ex:
acid individual  
7> _. , ;
_Ex:
acid dye  ;
_Ex:
acid medium  ;
_Ex:
acid salt  ;
_Ex:
acid hearth  ;
_Ex:
acid dust    ;
_Ex:
acid rain  ;
_Ex:
acid egg _. , ;
_Ex:
acid intoxication _. ;
_Ex:
acid value _.  ;
_Ex:
acid estimation  

acid rain
1>  

acid rock
1> _.    -

acid test
1> _.    
2>  , ;  ; ,
 ;
_Ex:
to withstand the acid test   

acid trip
1> _. ,  

acid-base
1> _. -, -

acid-fast
1> , 

acid-forming
1> _. 

acid-proof
1> , 

acid-tongued
1> , ; 

acidhead
1> ,  

acidic
1> _. 
2> _. 

acidification
1> _. 
2> _. 

acidify
1> _. 

acidimeter
1> _. 

acidity
1>  (-.);  
2> _. 
3> _.  
4> , ; 

acidize
1> _. 

acidless trip
1> _. _.   

acidly
1> ;   
2> , ; , , 

acidophilic
1> _. 

acidophilus milk
1> 

acidosis
1> _. 

acidulant
1> _.  

acidulate
1> ;  ,  
2> _. , ;  ;
_Ex:
compliment acidulated with scorn    


