You searched for: “chamber
chamber (s), chambers (pl) (nouns)
1. A big room in a public building; especially, one that is used for meetings.
2. Roms that are used for some special reason.
3. Formerly a term for a private room or a bedroom.
4. The offices used by judges.
5. An enclosed space; such as, one that is inside a machine, a plant, or someone's body.
6. A section in a gun where a person can put bullets.
7. One of the sections of a legislature; for example, there are governmental systems in which there are lower chambers; for example, the United States House of Representatives and upper chambers; such as, the United States Senate.
This entry is located in the following unit: camer- + (page 1)
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A unit related to: “chamber
(Latin: chamber; from Greek kamara, anything with a vaulted or arched cover; a vault, arched ceiling, or roof)
(Greek: cave, cavern; in medicine, of or pertaining to a [bodily] cavity or sinus; a term in anatomical nomenclature, especially to designate a cavity or chamber within a bone)
(Latin: entrance hall or chamber; upper heart chamber; central room)
(Latin: a storeroom, a chamber, a closet; by extension, of or pertaining to a cell, a microscopic protoplasmic mass made up of a nucleus enclosed in a semipermeable membrane)
(Greek: a suffix referring to a device, tool, or instrument; more generally, used in the names of any kind of chamber or apparatus used in experiments)
Word Entries containing the term: “chamber
camera anterior bulbi, anterior chamber of the eye, camera oculi major
The anterior portion of the anterior segment of the eyeball, situated between the cornea anteriorly and the lens and iris posteriorly.

It contains aqueous humor that drains through the iridocorneal angle at its periphery and communicates with the posterior chamber through the pupil.

This entry is located in the following unit: camer- + (page 1)
chamber music
Music that is composed for small ensembles of instrumentalists.

In its original sense, chamber music referred to music composed for the home, as opposed to that written for the theater or church.

Since the "home" (whether it be drawing room, reception hall, or palace chamber) may be assumed to be of limited size, chamber music usually has no more than one player to a part and it usually has no conductor.

It is music which has been written for combinations of stringed or wind instruments, often with a keyboard (piano or harpsichord) as well, and music for voices with or without accompaniment have historically been included in the chamber music term.

This entry is located in the following units: camer- + (page 1) musico-, music- + (page 1)
combustion chamber volume
1. The volume of a combustion chamber or the space above a piston measured in c.c. (cubic centimeters.
2. The volume of the combustion chamber when a piston is located directly at the top center.
This entry is located in the following units: -bust, -ust, -bur; bust-, bur-, ur- + (page 2) camer- + (page 2)
combustion chamber; blast chamber, firing chamber, rocket chamber
1. In an internal combustion engine, the space above a piston in which combustion occurs.
2. In a furnace, any space in which combustion occurs, or the space in which combustion of gaseous products occurs; such as, oil or kerosine is burned to provide heat.
3. In space technology, the part of a liquid rocket, ramjet, or gas turbine engine in which the combustion of propellants takes place at high pressure.
This entry is located in the following units: -bust, -ust, -bur; bust-, bur-, ur- + (page 2) camer- + (page 2)
ionization chamber
1. A device that measures the intensity of ionizing radiation.
2. A device used to detect and measure ionizing radiation, consisting of a gas-filled tube with electrodes at each end between which a voltage is maintained.

Radiation that ionizes gas molecules in the tube causes a current between the electrodes, the strength of which is a function of the radiation's intensity.

3. A gas-filled enclosure fitted with electrodes between which electric current flows upon ionization of the gas by incident radiation, the electrodes being maintained at a potential difference just sufficient to collect ions thus produced without causing further ionization.
4. The device for the detection and measurement of ionizing radiation.

It consists basically of a sealed chamber containing a gas and two electrodes between which a voltage is maintained by an external circuit.

When ionizing radiation; such as, a photon, enters the chamber (through a foil-covered window), it ionizes one or more gas molecules.

The ions are attracted to the oppositely charged electrodes; their presence causes a momentary drop in the voltage, which is recorded by the external circuit.

The observed voltage drop helps identify the radiation because it depends on the degree of ionization, which in turn depends on the charge, mass, and speed of the photon.

Geiger-Müller counter

A Geiger-Müller counter results from the application of a still-higher voltage across the electrodes of a proportional counter.

Individual particles of various kinds and energies entering a Geiger-Müller counter produce essentially the same large output pulse, making the instrument an excellent counter of individual particles.

The mixture of gases within a Geiger counter quenches the avalanche of ions produced by a single particle of radiation so that the device can recover to detect another particle.

An additional significant increase in voltage causes a continuous current to flow through the gas between the electrodes, rendering the device useless for detecting radiation.

—Compiled from "ionization chamber", Encyclopædia Britannica; 2010;
Encyclopædia Britannica Online; May 22, 2010.
lethal chamber (s) (noun), lethal chambers (pl)
An enclosed area in which animals can be painlessly put to death with gas: Sometimes cities have an over abundance of stray dogs and cats and no place to keep them; so, lethal chambers are utilized to decrease their numbers.

Some places have used lethal chambers as a method of executing convicted inmates with hydrogen cyanide gas.

This entry is located in the following unit: lethal-, -lethal, -lethally; lethi-, letho-, leth- (page 1)
reverberation chamber (s) (noun), reverberation chambers (pl)
In acoustics, a room having very little audible absorptions: A reverberation chamber has multiple echoes in all directions; so, if a sound is measured at a particular point, it will appear to come equally from all directions.
This entry is located in the following unit: verber-,-verber (page 1)
vitreous chamber
The large space between the lens of the eye and the retina, which is filled with a clear, gelatinous material.
This entry is located in the following units: camer- + (page 2) vitreo-, vitre-, vitr- + (page 2)