phon-, phono-, -phone, -phonia, -phonic, -phonetic, -phonous, -phonically, -phonetically, -phony +
This phono-, phon- should not be confused with another phono-, phon- that means "slaughter, murder, homicide". In Greek, a distinction is made between the phonos (PHOH nohs), "murder", which is spelled with the Greek letter omicron in the last syllable; and the Greek phonos (phoh NOHS), "voice", which is spelled with the letter omega in the last syllable. Both omicron and omega became the letter "o" in English.
That branch of physics dealing with the reflection of sounds.
A record of the heart sounds made by means of a phonocardiograph (an instrument, utilizing microphones, amplifiers, and filters, for graphically recording the heart sounds, which are displayed on an oscilloscope or analog tracing).
An instrument, utilizing microphones, amplifiers, and filters, for graphically recording heart sounds and murmurs, that are displayed on an oscilloscope or analog tracing.
1. Recording of the heart sounds with a phonocardiograph.
2. The science of interpreting phonocardiograms.
A cardiac catheter with a very small microphone located in its tip for recording heart sounds and murmurs within the heart and great vessels.
The use of a phonocatheter for the detection of sounds produced by the circulatory system. An intracardiac phonocatheterization, for example, consists of the passage of a phonocatheter into a chamber of the heart for the detection of sounds as an aid in the diagnosis of cardiac defects.
phonochorda (s), phonochordae (pl)
The vocal fold or folds.
The use of synchronous cardiac sounds and cinefluorography (motion-picture recording of fluroscopic images) to study heart form, motion, and function.
An instrument for registering simultaneously the sounds and the electrical changes caused by the heart, or one of these together with the pulse.
An instrument for the simultaneous visualization of a phonocardiogram and an electrocardiogram.
The simultaneous registration of a phonocardiogram as well as an electrocardiogram on an oscilloscope.
A stethoscope that suppresses the low frequencies characteristic of normal heart function to emphasize the high frequencies.
1. A carved picture or character that represents a speech sound.
2. IN Chinese writing, a compound character consisting of a radical (root) and a phonetic. About 90 per cent of all Chinese characters are phonograms.
3. A phonograph or gramophone record.
4. A message transmitted by telephone and written down like a telegram message for delivery to the addressee.
1. A graphic curve depicting the duration and intensity of a sound.
2. A written character or symbol representing a spoken sound; as in shorthand.
3. The tracing produced by a phonoautograph.
4. A telegram that the sender dictates over the telephone.
An instrument, invented by Thomas A. Edison in 1877 (patented 30 July), by which sounds are automatically recorded and reproduced. In Britain the word is retained only for early cylinder machines; but in North Amerrica, it has become synonymous with a "record player", a "record deck", a "record", etc., corresponding to the British gramophone.