By essentially blocking the blocker, thujone allows the brain cells to fire at will.

Officials and developers are currently debating what to do with a 56-acre former industrial site essentially blocking the city's downtown area from the waterfront.

The earth's atmosphere essentially blocks gamma rays and X-rays, so observations must be made above the atmosphere.

In recent years, Congress has enacted measures essentially blocking the release of the tracing data, citing privacy concerns.

Insurance companies essentially blocked the most serious effort in years to let banks, insurers and other financial institutions compete in each others' markets.

These sites would essentially block any users above a certain age from gaining access to the chat sessions, effectively blocking out potential pedophiles.

Colder objects, like guns or knives, emit almost no such signals and essentially block the body's emissions.

In these newer cars, the train operator's cabin takes up the entire width of the cab, essentially blocking the tracks from public view.

Last month, Congress essentially blocked the C.F.T.C. from doing anything for six months while the Presidential working group studied the issue.

An ace that lands in front of the hole, essentially blocking the hole from sliders.