Agallochum :: Agallochum (n.) A soft, resinous wood (Aquilaria Agallocha) of highly aromatic smell, burnt by the orientals as a perfume. It is called also agalwood and aloes wood. The name is also given to some other species..
Aich's Metal :: Aich's metal () A kind of gun metal, containing copper, zinc, and iron, but no tin..
Air Chamber :: Air chamber () A chamber or cavity filled with air, in an animal or plant..
Air Chamber :: Air chamber () A cavity containing air to act as a spring for equalizing the flow of a liquid in a pump or other hydraulic machine.