What's the difference between air and expression?

Air


Definition:

  • (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.) Peculiar appearance; apparent character; semblance; manner; style.
  • (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.

Expression


Definition:

  • (n.) The act of expressing; the act of forcing out by pressure; as, the expression of juices or oils; also, of extorting or eliciting; as, a forcible expression of truth.
  • (n.) The act of declaring or signifying; declaration; utterance; as, an expression of the public will.
  • (n.) Lively or vivid representation of meaning, sentiment, or feeling, etc.; significant and impressive indication, whether by language, appearance, or gesture; that manner or style which gives life and suggestive force to ideas and sentiments; as, he reads with expression; her performance on the piano has expression.
  • (n.) That which is expressed by a countenance, a posture, a work of art, etc.; look, as indicative of thought or feeling.
  • (n.) A form of words in which an idea or sentiment is conveyed; a mode of speech; a phrase; as, a common expression; an odd expression.
  • (n.) The representation of any quantity by its appropriate characters or signs.

Example Sentences:

  • (1) Here we have asked whether protection from blood-borne antigens afforded by the blood-brain barrier is related to the lack of MHC expression.
  • (2) Similar experimental manipulation has yielded in vitro lines established from avian B-cell lymphomas expressing elevated levels of c-myc or v-rel.
  • (3) When micF was cloned into a high-copy-number plasmid it repressed ompF gene expression, whereas when cloned into a low-copy-number plasmid it did not.
  • (4) We also show that proliferation of primary amnion cells is not dependent on a high c-fos expression, suggesting that the function of c-fos is more likely to be associated with other cellular functions in the differentiated amnion cell.
  • (5) Injection of resistant mice with Salmonella typhimurium did not result in the induction of a population of macrophages that expressed I-A continuously.
  • (6) Stimulation is also observed with mixtures of APC expressing DPw3 and APC expressing A1, and likewise, DPw3+ APC become stimulatory when preincubated with supernatants from A1-positive cells.
  • (7) BL6 mouse melanoma cells lack detectable H-2Kb and had low levels of expression of H-2Db Ag.
  • (8) These studies show that metabolic activation is necessary for the expression of the mutagenic activity of aflatoxins B1 and G1 in N. crassa.
  • (9) We also show that the gene of the main capsid protein is expressed from its own promoter in an Escherichia coli strain.
  • (10) Using the oocyte system to express size-fractionated mRNA, we have also determined that the mRNA coding for this protein is between 1.9-2.4 kilobases in length.
  • (11) Because many wnt genes are also expressed in the lung, we have examined whether the wnt family member wnt-2 (irp) plays a role in lung development.
  • (12) A beta-adrenergic receptor cDNA cloned into a eukaryotic expression vector reliably induces high levels of beta-adrenergic receptor expression in 2-12% of COS cell colonies transfected with this plasmid after experimental conditions are optimized.
  • (13) Four other independent LCMV-GP2(275-289) specific H-2Db-restricted CTL clones also expressed V alpha 4 and V beta 10 gene elements.
  • (14) Maximal yields of lipid and aflatoxin were obtained with 30% glucose, whereas mold growth, expressed as dry weight, was maximal when the medium contained 10% glucose.
  • (15) Recent studies have shown that an aberration in platelet-derived growth factor gene expression is unlikely to be a factor in proliferation of smooth-muscle cells.
  • (16) Thus, human bronchial epithelial cells can express the IL-8 gene, with expression in response to the inflammatory mediator TNF regulated mainly at the transcriptional level, and with elements within the 5'-flanking region of the gene that are directly or indirectly modulated by the TNF signal.
  • (17) In concert with TF expressed by monocytes and macrophages this endothelial cell procoagulant activity may play a role in the pathogenesis of thrombotic disease.
  • (18) The possibility that both IL 2 production and IL 2R expression are autonomously activated early in T cell development, before acquisition of the CD3-TcR complex, led us to study the implication of alternative pathways of activation at this ontogenic stage.
  • (19) A domain containing a CA repeat, similar to ones found in other late, cAMP-induced Dictyostelium genes, is required for cAMP-induced and developmental expression.
  • (20) This study examines the role of sex hormones in modulating the expression of autoimmunity in NZB x NZW F1 mice.

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