(a.) Acting; -- opposed to patient, or sustaining, action.
(n.) One who exerts power, or has the power to act; an actor.
(n.) One who acts for, or in the place of, another, by authority from him; one intrusted with the business of another; a substitute; a deputy; a factor.
(n.) An active power or cause; that which has the power to produce an effect; as, a physical, chemical, or medicinal agent; as, heat is a powerful agent.
Example Sentences:
(1) Combinations of maximum amounts of glucagon and the cyclic nucleotide did not produce a greater effect than either agent alone.
(2) Assessment of the likelihood of replication in humans has included in vitro exposure of human cells to the potential pesticidal agent.
(3) In addition, intravenous injection of complexes into rabbits showed optimal myocardial images with agents of intermediate lipophilicity.
(4) This study examined the [3H]5-HT-releasing properties of 3,4-methylenedioxymethamphetamine (MDMA) and related agents, all of which cause significant release of [3H]5-HT from rat brain synaptosomes.
(5) The quaternary structure of ribonucleotide reductase of Escherichia coli was investigated, with the use of purified B1 and B2 proteins and bifunctional cross-linking agents.
(6) Rapid overgrowth of all cultures with the E. coli necessitated the use of selective media containing antimicrobial agents to which the E. coli was sensitive.
(7) These membrane perturbation effects not observed with bleomycin-iron in the presence of a hydroxyl radical scavenger, dimethyl thiourea, or a chelating agent, desferrioxamine, were correlated with the ability of the complex to generate highly reactive oxygen species.
(8) of PLA2 caused marked degranulation of mast cells in the rat mesentery which was facilitated by addition of calcium ion (10 mM) but antagonized by pretreating with three antiinflammatory agents.
(9) We report a series of experiments designed to determine if agents and conditions that have been reported to alter sodium reabsorption, Na-K-ATPase activity or cellular structure in the rat distal nephron might also regulate the density or affinity of binding of 3H-metolazone to the putative thiazide receptor in the distal nephron.
(10) Acquired drug resistance to INH, RMP, and EMB can be demonstrated in M. kansasii, and SMX in combination with other agents chosen on the basis of MIC determinations are effective in the treatment of disease caused by RMP-resistant M. kansasii.
(11) The secondary leukemia that occurred in these patients could be distinguished from the secondary leukemia that occurs after treatment with alkylating agents by the following: a shorter latency period; a predominance of monocytic or myelomonocytic features; and frequent cytogenetic abnormalities involving 11q23.
(12) The agent present in the serum which causes dissolution of the fibrin clot was isolated and identified as pepsinogen.
(13) The active agents modestly improved treadmill exercise duration time until 1 mm ST segment depression (3%), and only propranolol and diltiazem had significant effects.
(14) Maximal covalent binding of [4,5-14C]ronidazole to DNA also required four-electron reduction, consistent with previous studies of the covalent binding of this agent to immobilized sulfhydryl groups [Kedderis et al.
(15) Since interferon alfa-2b (Intron A) is useful as a single agent, it is important to determine if interferon can be combined with standard chemotherapy to improve both response and survival in patients with cancer.
(16) Median effect analysis was applied for the evaluation of in vitro effect by the growth inhibition, and the in vivo effect by comparison of the increase of life span (ILS) in a combined group with the sum of ILS's in 2 single agent groups.
(17) Noradrenaline (NA) was released from sympathetic nerve endings in the tissue by electrical stimulation of the mesenteric nerves or by the indirect sympathomimetic agent tyramine.
(18) Helsby, who joined the estate agent in 1980, saw his basic salary unchanged at £225,000, but gains a £610,000 windfall in shares, available from May, as well as a £363,000 increase in cash and shares under the company profits-sharing scheme.
(19) Combining maximally effective concentrations of each of these stimulating agents produces an additive increase in both the level of 32P incorporation into tyrosine hydroxylase and the degree of activation of the enzyme.
(20) The review provides an update of drug-induced pulmonary disorders, focusing on newer agents whose effects on the lung have been studied recently.
Steward
Definition:
(v. t.) To manage as a steward.
(n.) A man employed in a large family, or on a large estate, to manage the domestic concerns, supervise other servants, collect the rents or income, keep accounts, and the like.
(n.) A person employed in a hotel, or a club, or on board a ship, to provide for the table, superintend the culinary affairs, etc. In naval vessels, the captain's steward, wardroom steward, steerage steward, warrant officers steward, etc., are petty officers who provide for the messes under their charge.
(n.) A fiscal agent of certain bodies; as, a steward in a Methodist church.
(n.) In some colleges, an officer who provides food for the students and superintends the kitchen; also, an officer who attends to the accounts of the students.
(n.) In Scotland, a magistrate appointed by the crown to exercise jurisdiction over royal lands.
Example Sentences:
(1) Recovery was assessed by means of a modified Steward coma scale.
(2) A 30-year-old steward told the Guardian that the conditions under the bridge were "cold and wet and we were told to get our head down [to sleep]".
(3) Molly Prince, managing director of the company, refuted the Guardian story with some lustily expressed but random facts: "CPUK have not only purchased tents for everyone (some stewards wanted to use their own but it was too wet to put them up, they insisted in having a go!).
(4) And it can be a good idea to apply to do a one-off to see if there’s an appetite to do more and whether you have enough people willing to be stewards.
(5) Dressed in saris, the hijras gave an air-steward style demonstration of how to wear the belt while directing saucy, suggestive remarks at the drivers watching them.
(6) "These actions are not coming from the stewards, they are coming from the lads."
(7) On Monday, police took over security at stadiums in Durban and Cape Town amid protests by stewards.
(8) Officers were pelted with missiles, including shards of glass from shattered shopfronts, as stewards from the demonstration called for calm and tried to separate police from protesters.
(9) We have created no framework in which owners are required to commit to companies over time, to steward their assets and to act as trustees for the living, breathing social organisations that companies are.
(10) I was raised in a traditional way and regard it as my job to be a steward of the land.
(11) In a real sense it not only pits 36-year-old Smith, a former BBC producer and lobbyist, against Dai Davies, former shop steward at the down defunct steel works, but Blairism against Bevanism and Nye's ghost.
(12) The action spread by phone in "a domino effect", stewards said.
(13) Two Navy stewards waited on us, only entering the room to serve food and drinks,” Comey writes.
(14) Ruth Dear Ruth… Will Hutton Photograph: Guardian There is a danger of utopian myth in this, rather like the Labour left and shop steward movement in the 1960s.
(15) "From redundancy payments through to the failed DMI project, the BBC has not always been the steward of public money that it should have been," said Tony Hall, the corporation's director general.
(16) What we found, particularly here in Parramatta, is that we have large numbers of clients coming who just want general information,” says Steward.
(17) Two hours later, as we trooped off into blinding Caribbean sun, the steward was still beaming.
(18) Then 26% of people said they trusted David Cameron and George Osborne most on the economy, compared with 24% who preferred Ed Miliband and Ed Balls as stewards of the nation's finances.
(19) Ronaldo side-stepped him and the invader was quickly brought to ground by a rugby tackle from one of the chasing stewards.
(20) "It is important that you follow all instructions given by stewards," said a spokesman.