(n.) The fluid which we breathe, and which surrounds the earth; the atmosphere. It is invisible, inodorous, insipid, transparent, compressible, elastic, and ponderable.
(n.) Symbolically: Something unsubstantial, light, or volatile.
(n.) A particular state of the atmosphere, as respects heat, cold, moisture, etc., or as affecting the sensations; as, a smoky air, a damp air, the morning air, etc.
(n.) Any aeriform body; a gas; as, oxygen was formerly called vital air.
(n.) Air in motion; a light breeze; a gentle wind.
(n.) Odoriferous or contaminated air.
(n.) That which surrounds and influences.
(n.) Utterance abroad; publicity; vent.
(n.) Intelligence; information.
(n.) A musical idea, or motive, rhythmically developed in consecutive single tones, so as to form a symmetrical and balanced whole, which may be sung by a single voice to the stanzas of a hymn or song, or even to plain prose, or played upon an instrument; a melody; a tune; an aria.
(n.) In harmonized chorals, psalmody, part songs, etc., the part which bears the tune or melody -- in modern harmony usually the upper part -- is sometimes called the air.
(n.) The peculiar look, appearance, and bearing of a person; mien; demeanor; as, the air of a youth; a heavy air; a lofty air.
(n.) An artificial or affected manner; show of pride or vanity; haughtiness; as, it is said of a person, he puts on airs.
(n.) The representation or reproduction of the effect of the atmospheric medium through which every object in nature is viewed.
(n.) Carriage; attitude; action; movement; as, the head of that portrait has a good air.
(n.) The artificial motion or carriage of a horse.
(n.) To expose to the air for the purpose of cooling, refreshing, or purifying; to ventilate; as, to air a room.
(n.) To expose for the sake of public notice; to display ostentatiously; as, to air one's opinion.
(n.) To expose to heat, for the purpose of expelling dampness, or of warming; as, to air linen; to air liquors.
Example Sentences:
(1) We attribute this in part to early diagnosis by computed tomography (CT), but a contributory factor may be earlier referrals from country centres to a paediatric trauma centre and rapid transfer, by air or road, by medical retrieval teams.
(2) In a debate in the House of Commons, I will ask Britain, the US and other allies to convert generalised offers of help into more practical support with greater air cover, military surveillance and helicopter back-up, to hunt down the terrorists who abducted the girls.
(3) Sperm were examined at 4.5 h, 8 to 9 h, and 24 to 25 h of incubation (37 degrees C, 5% CO2, and 95% air).
(4) In the present study, respirometric quotients, the ratio of oral air volume expended to total volume expended, were obtained using separate but simultaneous productions of oral and nasal airflow.
(5) The manufacturers, British Aerospace describe it as a "single-seat, radar equipped, lightweight, multi-role combat aircraft, providing comprehensive air defence and ground attack capability".
(6) By increasing luminal air pressure from 10 to 20 cm H2O a significant reduction in GBF was observed.
(7) The dangers caused by PM10s was highlighted in the Rogers review of local authority regulatory services, published in 2007, which said poor air quality contributed to between 12,000 and 24,000 premature deaths each year.
(8) Do [MPs] remember the madness of those advertisements that talked of the cool fresh mountain air of menthol cigarettes?
(9) Enough with Clintonism and its prideful air of professional-class virtue.
(10) These data suggest that submaximal exercise and cold air exposure enhance nonspecific bronchial reactivity in asthmatic but not in normal subjects.
(11) The phenylalanine model allows the rapid assessment of whole body and muscle protein turnover from plasma samples alone, obviating the need for measurement of expired air CO2 production or enrichment.
(12) Age-specific MRs for the over-75-year age group were also not related to the winter air temperatures in the eight cities.
(13) They urged the Department of Environment, Food and Rural Affairs to make air quality a higher priority and release the latest figures on premature deaths.
(14) Of great influence on the results of measurements are preparation and registration (warm-up-time, amplification, closeness of pressure-system, unhurt catheters), factors relating to equipment and methods (air-bubbles in pressure-system, damping by filters, continuous infusion of the micro-catheter, level of zero-pressure), factors which occur during intravital measurement (pressure-drop along the arteria pulmonalis, influence of normal breathing, great intrapleural pressure changes, pressure damping in the catheter by thrombosis and external disturbances) and last not least positive and negative acceleration forces, which influence the diastolic and systolic pulmonary artery pressure.
(15) Both eosin derivatives, however, inactivate acetylcholinesterase upon illumination of air-equilibrated samples of hemoglobin-free labeled ghosts.
(16) The biggest single source of air pollution is coal-fired power stations and China, with its large population and heavy reliance on coal power, provides $2.3tn of the annual subsidies.
(17) Rats were injected subcutaneously with 10 ml of air into the dorsal skin to make an air-pouch and with 2 ml of antiserum at an appropriate dilution for passive sensitization, and then 5 ml of air was removed.
(18) Of the other patients, four panicked with sodium lactate, none with 5% CO2, and one with room air hyperventilation.
(19) In presence of oxygen (air) the phototactic reaction values are somewhat lower than in its absence.
(20) In general, air from the mediastinum far more often enters the left pleural cavity than the right one.
Ventilation
Definition:
(n.) The act of ventilating, or the state of being ventilated; the art or process of replacing foul air by that which is pure, in any inclosed place, as a house, a church, a mine, etc.; free exposure to air.
(n.) The act of refrigerating, or cooling; refrigeration; as, ventilation of the blood.
(n.) The act of fanning, or winnowing, for the purpose of separating chaff and dust from the grain.
(n.) The act of sifting, and bringing out to view or examination; free discussion; public exposure.
(n.) The act of giving vent or expression.
Example Sentences:
(1) Heart rate (HR), pulmonary ventilation (V), oxygen consumption (VO2), carbon dioxide production (VCO2), and respiratory quotient (RQ) were measured.
(2) We studied the hemodynamic changes caused by bronchoscopy under LA in mechanically ventilated patients and the effect of LA on the endoscopic decline in arterial pO2.
(3) They are best explained by interactions between central sympathetic activity, brainstem control of respiration and vasomotor activity, reflexes arising from around and within the respiratory tract, and the matching of ventilation to perfusion in the lungs.
(4) This study compares anaesthesia with controlled ventilation of the lungs with atracurium and alfentanil analgesia with halothane anaesthesia.
(5) In some experiments heart rate and minute ventilation (central vactors) appear to be the dominant cues for rated perceived exertion, while in others, local factors such as blood lactate concentration and muscular discomfort seem to be the prominent cues.
(6) We found that, compared to one- and two-dose infants, those treated with three doses of Exosurf were more premature, smaller, required a longer ventilator course, and had more frequent complications, including patent ductus arteriosus (PDA), intraventricular hemorrhage, nosocomial pneumonia, and apnea.
(7) Mechanical ventilation was soon instituted and several antibiotics and acyclovir were administered intravenously, with marked effects.
(8) Anaesthesia was maintained with artificial ventilation and alcuronium, or spontaneous ventilation with halothane.
(9) The patient and ventilator work ratios, and the work of breathing quantify factors which may be directly useful to the clinician and to future systems to automate weaning.
(10) Ten patients received intercostal nerve blockade on a total of 29 occasions in order to provide analgesia following liver transplantation and to facilitate weaning from artificial ventilation of the lungs.
(11) Ventilation-perfusion lung scans and contrast ascending venography were performed on the sixth to eighth postoperative days.
(12) The rabbits were either breathing spontaneously or were ventilated by a phrenic nerve-controlled servorespirator without the use of muscle relaxants.
(13) Although hypothyroidism is not a common cause of ventilator dependency, it might be more common than we think.
(14) In 8 animals, blood flow was measured during control and sequentially 1, 2, and 3 min after ventilation was stopped.
(15) HFV was delivered at frequencies (f) of 3, 6, and 9 Hz with a ventilator that generated known tidal volumes (VT) independent of respiratory system impedance.
(16) Since the early 1960's nasotracheal tubes have been used for neonates with primary respiratory diseases which necessitated positive pressure ventilation.
(17) Although the level of ventilation is maintained constant during eating and drinking, the pattern of breathing becomes increasingly irregular.
(18) A facility for keeping chickens free of Marek's disease (MD) was obtained by adopting a system of filtered air under positive pressure (FAPP) for ventilation, and by imposing restrictions on entrance of articles, materials and personnel.
(19) No change in breathing frequency, minute ventilation, and pulmonary gas exchange was observed.
(20) During the weaning period after 18 h of mechanical ventilation following open-heart surgery, central haemodynamics, systemic oxygen transport and total oxygen consumption were assessed in a total of 11 patients receiving continuous positive pressure ventilation.