Bronchodilator meaning

brŏngkō-dī-lātər, -dĭ-, -dīlā-
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A drug that widens the air passages of the lungs and eases breathing by relaxing bronchial smooth muscle.
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Any of various drugs, as epinephrine or theophylline, that open bronchial air passages by relaxing the tightened muscles that surround the bronchial tubes, used to treat asthma, bronchitis, emphysema, etc.
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A drug that widens the air passages of the lungs and eases breathing by relaxing bronchial smooth muscle.
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A drug that widens the air passages of the lungs and eases breathing by relaxing bronchial smooth muscle.
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(medicine) Any drug used to dilate and relax the bronchial passages and ease the flow of air to the lungs.
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