A chamber is a large room, especially one that is used for formal meetings.
The braiding of the challah symbolizes the weaving of our weekday mentality into a Shabbat state of mind.
CFLs use 25-35% of the energy used by incandescent bulbs, but if you really want to make the biggest environmental impact on the environment, choosing LEDs is the way to go. Residential LEDs, especially those rated by ENERGY STAR, use more than 75% less energy and last 25 times longer than incandescent lighting.
The word cenotaph is derived from the Greek kenos taphos, meaning "empty tomb." A cenotaph is a monument, sometimes in the form of a tomb, to a person or group of persons buried elsewhere. Ancient Greek writings tell of many cenotaphs, although none of them survives.
Stands for "Compact Disc Recordable." CD-R discs are blank CDs that can record data written by a CD burner. The word "recordable" is used because CD-Rs are often used to record audio, which can be played back by most CD players.
A sea cave, also known as a littoral cave, is a type of cave formed primarily by the wave action of the sea. The primary process involved is erosion. Sea caves are found throughout the world, actively forming along present coastlines and as relict sea caves on former coastlines.
Biological catalysts are called enzymes. There is, for instance, an enzyme in our saliva which converts starch to a simple sugar, which is used by the cell to produce energy, and another enzyme which degrades the excess lactic acid produced when we overexert ourselves.
cassette, also called tape cassette, in audio and video recording, flat, rectangular container made of plastic or lightweight metal that holds magnetic tape for audio or video recording and replay.