Barbiturates are derivatives of barbituric acid (malonyl urea), which is formed from malonic acid and urea.
The biblical word yetzer, for example, means "plan," that which is formed in human minds.
Our priority is setting up the Healthwatch system, which is formed of two connected networks, at local and national level.
The National Mining Association now refers to coal, which is formed from ancient plant matter, as "buried sunshine".
The major breakdown product of microbial decomposition is carbon dioxide, which is formed by respiring aerobic organisms.
The most common design is the traditional diamond frame, which is formed by two triangles of tubing.
The second major excretory route is the bile, which is formed in the liver and flows into the intestinal tract.
A single footstep, or tire track, can break up the crust, which is formed by algae and lichens, turning it to dust vulnerable to erosion.
The simplest of these is methane, or marsh gas, which is formed in nature by the bacterial decomposition of organic matter under water.
Doctors found elevated levels of creatinine, which is formed when food is converted to energy, and which the kidneys usually remove from the system.
The UK has intervened despite playing no part in the crash's official investigation committee, which is formed from representatives from Ireland, Russia, France and Germany.
