|   New    Known    Review | 
| astronomy | 
|     | 
| n.  (علم الفلك) branch of physics that studies celestial bodies and universe as a whole | 
|   New    Known    Review | 
| atom | 
|     | 
| n.  (ذرية) a tiny piece of anything; the smallest component of an element having the chemical properties of the element | 
|   New    Known    Review | 
| attachment | 
|     | 
| n. Syn. preference; affection (مرفق) a bond, as of affection or loyalty; fond regard; supplementary part; accessory | 
|   New    Known    Review | 
| attendant | 
|     | 
| n. Syn. aide; servant (يصاحب) aide; servant; accompanying; person who participates in a meeting | 
|   New    Known    Review | 
| attention | 
|     | 
| n. Syn. concentration; care (اهتمام) act or state of attending or heeding; application of the mind to any object of sense, representation, or thought | 
|   New    Known    Review | 
| attraction | 
|     | 
| n. Syn. affinity; appeal (الجذب) appeal; a characteristic that provides pleasure and attracts | 
|   New    Known    Review | 
| attractive | 
|     | 
| a. Syn. appealing; pleasing; inviting; intriguing; tempting (حجية) appealing; pleasing; inviting; tempting | 
|   New    Known    Review | 
| available | 
|     | 
| a. Syn. free (متاحة) convenient for use or disposal; not busy, free; obtainable; accessible | 
|   New    Known    Review | 
| avocation | 
|     | 
| n. Syn. sideline; hobby (هواية) activity taken up in addition to one's regular work or profession, usually for enjoyment |