| acidity (The state of being acid that is of being capable of transferring a hydrogen ion in solution) |
حمضية |
|
| acidity degree (The amount of acid present in a solution, often expressed in terms of pH) |
درجة الحمضية |
|
| acoustic comfort |
ارتياح صوتي |
|
| acoustic filter (A device employed to reject sound in a particular range of frequencies while passing sound in another range of frequencies) |
مُرشِّح صوتي |
|
| acoustic insulation (The process of preventing the transmission of sound by surrounding with a nonconducting material) |
عزل صوتي |
|
| acoustic level (Physical quantity of sound measured, usually expressed in decibels) |
مستوى صوتي |
|
| acoustic property (The characteristics found within a structure that determine the quality of sound in its relevance to hearing) |
خاصية صوتية |
|
| acoustical quality (The characteristics of a confined space that determines its ability to enable music and speech to be heard clearly within it) |
الخاصية الصوتية |
|
| acoustics (The science of the production, transmission and effects of sound) |
صوتيات |
|
| act (1. Something done voluntarily by a person, and of such a nature that certain legal consequences attach to it. 2. Documents, decrees, edicts, laws, judgments, etc.) |
فعل |
|
| actinide (A group of 15 radioactive elements some of which occur naturally while others are produced in nuclear reactions. They include plutonium, americium and neptunium. The health hazard presented by the actinides, if they are released into the environment, comes from the potency of their radioactive characteristics. They are alpha-emitters, and therefore can cause intense localized damage in tissues if absorbed into the body) |
أكتينيد |
|
| actinium (A radioactive element of the actinide series, occurring as a decay product of uranium. It is used as an alpha particle source and in neutron production) |
أكتينيوم |
|
| action group (A collection of persons united to address specific sociopolitical or socioeconomic concerns) |
مجموعة عمل |
|
| activated carbon (A powdered, granular or pelleted form of amorphous carbon characterized by a very large surface area per unit volume because of an enormous number of fine pores) |
كربون مُنَشَّط |
|
| activated sludge (Sludge that has been aerated and subjected to bacterial action; used to speed breakdown of organism matter in raw sewage during secondary waste treatment) |
طين مُنَشَّط |
|
| activated sludge |
حمأ منَشَّط |
|
| active participation (The involvement, either by an individual or a group of individuals, in their own governance or other activities, with the purpose of exerting influence) |
مشاركة نشطة |
|
| active population (The number of people available and eligible for employment within a given enterprise, region or nation) |
السكان القادرين على العمل |
|
| adaptable species |
أنواع قادرة على التكيف |
|
| adaptation |
تَلاَؤُم |
|