Definition of excitable in English:



  • 1Responding too readily to something new or stimulating; easily excited.

    ‘a rather excitable young man’
    • ‘The most easily excitable ones immediately interpreted his comments to mean that he thought women were dumb.’
    • ‘Such erratic behaviour, it would emerge, was typical of Wilson, a man known in the local community as being a quiet, if excitable, young man, of rather low intelligence.’
    • ‘Cattle from one source were calm and handled easily, whereas cattle from the other source were easily excitable and difficult to handle.’
    • ‘He is a very excitable young man who absolutely loves what he does.’
    • ‘It is not true, she says, that the English are not emotional or excitable.’
    • ‘In the first phase of his public career before 1914 he was widely regarded as a young man in a hurry who was self-centred and excitable.’
    • ‘Research has shown even casual smoking during pregnancy can make newborn babies jittery, more excitable and more difficult to console than babies born to non-smokers.’
    • ‘The Artisan Child is highly active, easily excitable, likes taking risks and getting into mischief.’
    • ‘‘There is an overly excitable mood amongst the political classes, and the game is far from clear yet,’ says one senior government source.’
    • ‘Evidentally, this is an effective way for her to keep herself calm because she is easily excitable.’
    • ‘There's a word we have for friends that can be a little emotional like that: excitable.’
    • ‘He drank round the clock, became tense, excitable and uninterested in what he himself had created.’
    • ‘Once the heat of the day has passed and the sun starts to set, a steady trickle of excitable youngsters drag their parents and grandparents to the banks of the river.’
    • ‘They are passionate, excitable and talkative about all sport - at least sport as it is played Down Under where, by the way, this column is coming to you from.’
    • ‘Once again, plenty of turn-out time and correct feeding for the type of work the horse is doing, will help to calm an excitable temperament.’
    • ‘Where else but my established favorite place of relaxation, where my ever excitable brain can, and often does, fall peacefully asleep in mid-debate.’
    • ‘His coolly rationalist approach to religion was complemented by an excitable temperament and a taste for the picaresque.’
    • ‘The easily excitable man with the curly hair has decided to join myself and Jared in this little experiment and has already posted his first song.’
    • ‘They have to be more patient, less emotional, more deliberative, less excitable.’
    • ‘The president, meanwhile, seemed excitable, edgy and sometimes ungrounded.’
    temperamental, mercurial, volatile, emotional, sensitive, highly strung, easily upset, easily agitated, easily frightened, unstable, nervous, tense, brittle, edgy, jumpy, twitchy, skittish, unsettled, uneasy, neurotic
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  • 2(of tissue or a cell) responsive to stimulation.

    ‘these alkaloids act on nerve cells to make them more excitable’
    • ‘The authors review excitable membrane potentials and neurotransmitters.’
    • ‘It is the most excitable part of the neuron and the site at which the nerve impulse is initiated.’
    • ‘The voltage-gated Na + channel is critical for depolarization and conduction in most excitable cells.’
    • ‘It is demonstrated that gel-immobilized cell organelles reveal features of an excitable medium.’
    • ‘K + channels are a large and diverse group of proteins that occur in most membranes of excitable and inexcitable cells.’
    • ‘First, lots of excitable tissues have narrow calcium channels and multiple connections.’
    • ‘Other studies demonstrated wavelength-dependent responses in excitable cells.’
    • ‘Voltage-sensitive Na + channels are responsible for the upstroke of the action potential in excitable cells.’
    • ‘Potassium channels play fundamental roles in excitable cells.’
    • ‘Heart cells, like other electrically excitable cells, become inexcitable for a brief period after each action potential.’
    • ‘Voltage-gated channels are essential proteins for the functioning of excitable tissues.’
    • ‘Voltage-gated sodium channels are found in most excitable tissues like nerve, heart, and muscle.’
    • ‘So far, models for electrically excitable cells only could predict enhancement of calcium load during release.’
    • ‘However, the sodium channel inactivation gates are open in the hyperpolarized virtual anode region, causing the tissue to be excitable.’
    • ‘Cellular calcium dynamics are subject to stringent spatio-temporal control, especially in excitable cells.’