(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.
Rebreathe
Definition:
(v. t.) To breathe again.
Example Sentences:
(1) A comparison was made between the Q's estimated by the CO2 rebreathing method during tethered swimming and previously published data on Q determined by the dye-dilution method during free swimming in a flune.
(2) From eleven to fourteen rebreathing experiments were done on each volunteer for each of the three exercises, with the treadmill started at carbon dioxide levels which ranged from 36 (below threshold) to 58 mmHg (above threshold).
(3) Forced rebreathings may recruit trapped gas into the mixing process.
(4) The effects of inducing inspiratory muscle fatigue on the subsequent breathing pattern were examined during resting unstimulated breathing and during CO2 rebreathing.
(5) The ventilatory sensitivity to CO2 obtained from a non-steady-state step-ramp CO2 challenge (analogous to the Read rebreathing method) was compared with the one of the steady-state method.
(6) Using a rebreathing technique, we found that previously fed mice had an apparent VCO that was 40% greater than that of mice that had been fasted before the study.
(7) After sleep deprivation, no significant changes in inspiratory minute ventilation or tidal volume occurred during room air breathing or CO2 rebreathing, but the breathing frequency during CO2 rebreathing increased significantly after sleep deprivation.
(8) Five anaesthetised dogs rebreathed at intervals with 300 ml of test gas.
(9) Simultaneous measurements of cardiac output by indocyanin green and freon 22 uptake during rebreathing were made.
(10) Eleven men were studied during room air breathing and CO2 rebreathing before sleep deprivation (control), after 1 night of sleep deprivation, and the day after sleep recovery.
(11) A rebreathing technique was utilized to assess changes in diffusing capacity (DCO), pulmonary capillary blood volume (Vc), pulmonary parenchymal tissue volume (Vt), and cardiac output (Qc), after infusion of 2 liters of 0.9% saline intravenously in 13-25 min in five healthy subjects.
(12) No effect of propranolol was demonstrated on either the ventilatory response to rebreathing CO2 in hyperoxia, or the response to progressive isocapnic hypoxia.
(13) A quality-control phantom is described which is capable of testing the performance of inhalation rebreathing systems for measurements of regional cerebral blood flow (rCBF).
(14) We observed, that under controlled ventilation the expiration valve of the circle system "8 ISO" did not close and rebreathing occurred, as the spirometer run counterclockwise.
(15) A clinical case is presented which suggests that spontaneous respiration with the Bain circuit at low flow rates is associated with rebreathing.
(16) There was no significant difference between average and variance EMGdi parameters in their responses to rebreathing.
(17) Tidal volume (VT), inspiratory and total cycle duration (TI, TT), occlusion pressure (P0.1) and endtidal PCO2 were measured at rest and during hyperoxic CO2 rebreathing.
(18) Several modifications of the Bain system for nitrous oxide analgesia or general anesthesia were tested for rebreathing and retention of CO2.
(19) The second method, based on partial rebreathing by means of adding an additional dead space of 220 ml for 30-45 s, correlated very well with the thermodilution findings.
(20) Exchange of CO2 takes place between lungs and rebreathing bag, and the concentration of CO2 is continuously monitored by a mass spectrometer.