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Diaphragm

Nghe phát âm
( Xem từ này trên từ điển Anh Việt)

Mục lục

Noun

Anatomy .
a muscular, membranous or ligamentous wall separating two cavities or limiting a cavity.
the partition separating the thoracic cavity from the abdominal cavity in mammals.
Physical Chemistry .
a porous plate separating two liquids, as in a galvanic cell.
a semipermeable membrane.
a thin disk that vibrates when receiving or producing sound waves, as in a telephone, microphone, speaker, or the like.
Also called pessary. a thin, dome-shaped device, usually of rubber, for wearing over the uterine cervix during sexual intercourse to prevent conception.
a plate with a hole in the center or a ring that is placed on the axis of an optical instrument, as a camera, and that controls the amount of light entering the instrument.
a plate or web for stiffening metal-framed constructions.

Verb (used with object)

to furnish with a diaphragm.
to reduce the aperture of (a lens, camera, etc.) by means of a diaphragm.

Xem thêm các từ khác

  • Diaphragmatic

    of the diaphragm., like a diaphragm.

  • Diaphysis

    the shaft of a long bone.

  • Diarchy

    government in which power is vested in two rulers or authorities.

  • Diarist

    a person who keeps a diary.

  • Diarrhoea

    an intestinal disorder characterized by abnormal frequency and fluidity of fecal evacuations.

  • Diarrhoeal

    an intestinal disorder characterized by abnormal frequency and fluidity of fecal evacuations.

  • Diarrhoeic

    an intestinal disorder characterized by abnormal frequency and fluidity of fecal evacuations.

  • Diary

    a daily record, usually private, esp. of the writer's own experiences, observations, feelings, attitudes, etc., a book for keeping such a record., a book...

  • Diastatic

    biochemistry ., medicine/medical, physiology . of or pertaining to diastasis., of or pertaining to diastase., having the properties of diastase, diastatic...

  • Diastole

    physiology . the normal rhythmical dilatation of the heart during which the chambers are filling with blood. compare systole ( def. 1 ) ., prosody . the...

  • Diathermancy

    the property of transmitting heat as electromagnetic radiation.

  • Diathermanous

    the property of transmitting heat as electromagnetic radiation.

  • Diathermic

    of or pertaining to diathermy., capable of conducting heat.

  • Diathermy

    the production of heat in body tissues by electric currents, for therapeutic purposes.

  • Diatheses

    pathology . a constitutional predisposition or tendency, as to a particular disease or affection.

  • Diathesis

    pathology . a constitutional predisposition or tendency, as to a particular disease or affection.

  • Diatom

    any of numerous microscopic, unicellular, marine or freshwater algae of the phylum chrysophyta, having cell walls containing silica.

  • Diatomaceous

    consisting of or containing diatoms or their fossil remains.

  • Diatomaceous earth

    a fine siliceous earth composed chiefly of the cell walls of diatoms, used in filtration , as an abrasive , etc .

  • Diatomic

    having two atoms in the molecule., containing two replaceable atoms or groups; binary.
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