Definition of modulation in English:



mass noun
  • 1The exertion of a modifying or controlling influence on something.

    ‘endorphins in the body are responsible for the modulation of pain sensation’
    • ‘Modulation in herbal medicine means to counteract the effects of stress and bring a process back to normal levels.’
    • ‘Possible therapeutic utilities could include modulation of gastrointestinal motility and treatment of impotence.’
    • ‘They can elicit some of their benefits via these mechanisms by altered cholesterol transport, modulation of cellular proliferation, or induced apoptosis in specific tissues.’
    • ‘The small decline in the percentage of cells staining positive for the B cell antigen suggests there may be some modulation of the developing immune system of the foals.’
    • ‘He addresses the role of probiotics in the modulation of the immune system in man and in animals.’
    • ‘He is very sensitive to the modulations of belief and theology underlying these manifestations of providential meaning.’
    • ‘They may even play a role in the modulation of mood.’
    • ‘Because this reduces melatonin, it produces modulation of cancer, cardiac, reproductive, and neurological health effects and mortality rate in global human populations.’
    • ‘The active component thought to provide much of the pain modulation and cognitive effects of marijuana is called THC.’
    • ‘Through this modulation of ovulation timing in a social group of women, cycles may synchronize, desynchronize, or stabilize.’
  • 2Variation in the strength, tone, or pitch of one's voice.

    ‘excellent voice modulation’
    • ‘The swooping vocal modulations suggest North Africa, while a violin hints at East European klezmer.’
    • ‘You should practice at least two scripts each day with proper diction, pronunciation, and modulation.’
    • ‘It is one name in three inflections, a polyphonic unity of three modulations of voice.’
    • ‘She has all the timing, modulations, implications, and vocal range in the world, and then that extra something I can only call soul.’
    • ‘He is able to assay the tricky transition from youthful to mature Hughes with body language and vocal modulation.’
    • ‘You need some control over your throat to produce variation and modulation in your voice as and when necessary.’
    • ‘Voice modulation alone can sometimes drive home a point better than a power point presentation can do.’
    • ‘His voice modulation is simply superb.’
    • ‘Her voice modulation is of the highest caliber, very melodious, full of harmonious unity and solid stamina.’
    • ‘These individuals usually have normal pitch modulation in their speaking voices but are unable to carry a tune or distinguish much change when a series of pitches is presented.’
    1. 2.1 Alteration of the amplitude or frequency of an electromagnetic wave or other oscillation in accordance with the variations of a second signal.
      ‘modulation of the ray amplitude will result in sound being heard’
      ‘researchers observed the modulation of electrical conductance’
      • ‘The modulation indicates a competing type of order that can also coexist with superconductivity.’
      • ‘Not all theoretical models require the simultaneous presence of magnetic and charge-density modulations.’
      • ‘One of the emerging branches of research focused on the galactic and solar origins of cosmic rays and the modulation of their flux by the interplanetary magnetic field.’
      • ‘The background noise should be homogeneous, while the dark matter signal should show the annual modulation.’
      • ‘Another way to look for these fermions is by measuring the annual modulation of the signals from the detectors.’
      • ‘So you know the amplitude of modulation, which tells you relative dimension of its two longer axes.’
      • ‘Several periods of the modulation are apparent, and they extend well outside the vortex-core region.’
      • ‘The images of field-induced modulations of charge and spin states obtained in the neutron-scattering experiments are stimulating.’
      • ‘Incoming galactic cosmic rays are scattered on magnetic irregularities in the solar wind, resulting in "solar modulation" of the galactic cosmic ray spectrum.’
      • ‘The modulation has a period of four lattice spacings along the direction parallel to the copper-oxygen bonds.’
    2. 2.2Music A change from one key to another in a piece of music.
      ‘their bold approach to harmony and modulation’
      count noun ‘there is a beautiful modulation from B flat to G major’
      • ‘The sudden modulation brings a galaxy of woodwind delights against muted, pointed strings.’
      • ‘The finale, with its unexpected modulations, was played with panache and exciting vitality.’
      • ‘The movement, despite an easygoing first theme, has its share of surprises, notably some startling modulations into keys somewhere around the planet Pluto.’
      • ‘After such extreme modulation, an eight-bar link is necessary to steer the music back to A for the restatement of the A section.’
      • ‘She relishes the composer's "twisting voices" and impulsivity, with rhythmic surprises and abrupt modulations.’
      • ‘The horizontal banding of the town hall invites us to note breaches in the anticipated pattern much as we register modulations of a familiar melody.’
      • ‘Most composers used difficult, left-field modulations, just not, usually, with keyboard music.’
      • ‘The modulations at the beginning of the second movement were entirely transparent.’
      • ‘There is hardly a concerto movement in which so many modulations appear in such a short time.’
      • ‘Few jazz musicians have managed to fit so many modulations into such a short span.’
    3. 2.3 The process of changing from one form or condition into another.
      ‘the modulation from an oral to a written technology in ancient Greek civilization’
      count noun ‘great modulations of tempo’
      • ‘After 1750, the modulation in her relationship with the king brought about a marked intensification of interest in the fabrication of her image.’
      • ‘The modulation from aggrieved femininity to fawning submissiveness in her wooing is masterfully handled.’
      • ‘The poem's shift from memory of childhood to anticipation of death is nicely attended by the modulation from olfactory to auditory.’
      • ‘The novel biochemical modulation by some foods and beverages is considered here.’
      • ‘Each of the references to the cattle-killing prophecy in his narrative seems a modulation of the other.’
      • ‘This modulation of light contributed to the viewer's impression of both the pattern and the screenlike nature of the window.’
      • ‘Most of those characteristics probably originated early in its evolutionary history, and without much subsequent adaptive modulation.’
      • ‘These houses were investigating new forms of construction and modulation of materials.’
      • ‘This involved layers of translucent pigment patiently applied on top of one another, creating the brilliant glow and delicate modulation of color.’
      • ‘The honeybee colony has many life-critical operations requiring precise modulation from the decisions and actions of its constituents.’