What's the difference between act and on?

Act


Definition:

  • (n.) That which is done or doing; the exercise of power, or the effect, of which power exerted is the cause; a performance; a deed.
  • (n.) The result of public deliberation; the decision or determination of a legislative body, council, court of justice, etc.; a decree, edit, law, judgment, resolve, award; as, an act of Parliament, or of Congress.
  • (n.) A formal solemn writing, expressing that something has been done.
  • (n.) A performance of part of a play; one of the principal divisions of a play or dramatic work in which a certain definite part of the action is completed.
  • (n.) A thesis maintained in public, in some English universities, by a candidate for a degree, or to show the proficiency of a student.
  • (n.) A state of reality or real existence as opposed to a possibility or possible existence.
  • (n.) Process of doing; action. In act, in the very doing; on the point of (doing).
  • (v. t.) To move to action; to actuate; to animate.
  • (v. t.) To perform; to execute; to do.
  • (v. t.) To perform, as an actor; to represent dramatically on the stage.
  • (v. t.) To assume the office or character of; to play; to personate; as, to act the hero.
  • (v. t.) To feign or counterfeit; to simulate.
  • (v. i.) To exert power; to produce an effect; as, the stomach acts upon food.
  • (v. i.) To perform actions; to fulfill functions; to put forth energy; to move, as opposed to remaining at rest; to carry into effect a determination of the will.
  • (v. i.) To behave or conduct, as in morals, private duties, or public offices; to bear or deport one's self; as, we know not why he has acted so.
  • (v. i.) To perform on the stage; to represent a character.

Example Sentences:

  • (1) The high amino acid levels in the cells suggest that these cells act as inter-organ transporters and reservoirs of amino acids, they have a different role in their handling and metabolism from those of mammals.
  • (2) Although Jeggo's Chinese hamster ovary cells were more responsive to mAMSA, novo still abrogated mAMSA toxicity in the mutant cells as well as in the parental Chinese hamster ovary cells 2,4-Dinitrophenol acted similarly to novo with respect to mAMSA killing, but neither compound reduced the ATP content of V79 cells.
  • (3) administration of the potent short-acting opioid, fentanyl, elicited inhibition of rhythmic spontaneous reflex increases in vesical pressure (VP) evoked by urinary bladder distension.
  • (4) Family therapists have attempted to convert the acting-out behavioral disorders into an effective state, i.e., make the family aware of their feelings of deprivation by focusing on the aggressive component.
  • (5) It is suggested that the rapid phase is due to clearance of peptides in the circulation which results in a fall to lower blood concentrations which are sustained by slow release of peptide from binding sites which act as a depot.
  • (6) Peptides from this region bind to actin, act as mixed inhibitors of the actin-stimulated S1 Mg2(+)-ATPase, and influence the contractile force developed in skinned fibres, whereas peptides flanking this sequence are without effect in our test systems.
  • (7) Comprehensive regulations are being developed to limit human exposure to contamination in drinking water by the United States Environmental Protection Agency (EPA) under the authority of the Safe Drinking Water Act (SDWA).
  • (8) Pedigree studies have suggested that there may be an inherited predisposition to many apparently nonfamilial colorectal cancers and a genetic model of tumorigenesis in common colorectal cancer has been proposed that includes the activation of dominantly acting oncogenes and the inactivation of growth suppressor genes.
  • (9) Propofol is ideal for short periods of care on the ICU, and during weaning when longer acting agents are being eliminated.
  • (10) We have investigated interactions between the erythroid transcription factor GATA-1 and factors binding two cis-acting elements commonly linked to GATA sites in erythroid control elements.
  • (11) These later results suggest that dopamine agonists increase sensorimotor reactivity measured with acoustic startle by acting on sensory rather than motor parts of the reflex arc.
  • (12) Dietary factors affect intestinal P450s markedly--iron restriction rapidly decreased intestinal P450 to beneath detectable values; selenium deficiency acted similarly but was less effective; Brussels sprouts increased intestinal AHH activity 9.8-fold, ECOD activity 3.2-fold, and P450 1.9-fold; fried meat and dietary fat significantly increased intestinal EROD activity; a vitamin A-deficient diet increased, and a vitamin A-rich diet decreased intestinal P450 activities; and excess cholesterol in the diet increased intestinal P450 activity.
  • (13) It was not clear whether Mn2+ acted at the presynaptic membrane, the postsynaptic membrane or both.
  • (14) She added: “We will continue to act upon the overwhelming majority view of our shareholders.” The vote was the second year running Ryanair had suffered a rebellion on pay.
  • (15) In this paper sensitive and selective bioassays are described for growth factors acting on substrate-attached cells, in particular members of the epidermal growth factor, transforming growth factor beta, platelet-derived growth factor, insulin-like growth factor, and heparin-binding growth factor families.
  • (16) Evidence is presented that the protein can act catalytically.
  • (17) It was concluded that Ta acts as a weak zeitgeber in laboratory rats and has greater effects on males compared to females.
  • (18) That’s a criticism echoed by Democrats in the Senate, who issued a report earlier this month criticising Republicans for passing sweeping legislation in July to combat addiction , the Comprehensive Addiction and Recovery Act (Cara), but refusing to fund it.
  • (19) Tumorigenesis is a multistep process involving mutations of dominantly acting proto-oncogenes and mutations and loss-of-function mutations of tumor suppressor genes.
  • (20) In one of Pruitt’s first official acts, for example, he overruled the recommendation of his own agency’s scientists, based on years of meticulous research, to ban a pesticide shown to cause nerve damage, one that poses a clear risk to children, farmworkers and rural drinking water supplies.

On


Definition:

  • (prep.) In continuance; without interruption or ceasing; as, sleep on, take your ease; say on; sing on.
  • (prep.) The general signification of on is situation, motion, or condition with respect to contact or support beneath
  • (prep.) At, or in contact with, the surface or upper part of a thing, and supported by it; placed or lying in contact with the surface; as, the book lies on the table, which stands on the floor of a house on an island.
  • (prep.) To or against the surface of; -- used to indicate the motion of a thing as coming or falling to the surface of another; as, rain falls on the earth.
  • (prep.) Denoting performance or action by contact with the surface, upper part, or outside of anything; hence, by means of; with; as, to play on a violin or piano. Hence, figuratively, to work on one's feelings; to make an impression on the mind.
  • (prep.) At or near; adjacent to; -- indicating situation, place, or position; as, on the one hand, on the other hand; the fleet is on the American coast.
  • (prep.) In addition to; besides; -- indicating multiplication or succession in a series; as, heaps on heaps; mischief on mischief; loss on loss; thought on thought.
  • (prep.) Indicating dependence or reliance; with confidence in; as, to depend on a person for assistance; to rely on; hence, indicating the ground or support of anything; as, he will promise on certain conditions; to bet on a horse.
  • (prep.) At or in the time of; during; as, on Sunday we abstain from labor. See At (synonym).
  • (prep.) At the time of, conveying some notion of cause or motive; as, on public occasions, the officers appear in full dress or uniform. Hence, in consequence of, or following; as, on the ratification of the treaty, the armies were disbanded.
  • (prep.) Toward; for; -- indicating the object of some passion; as, have pity or compassion on him.
  • (prep.) At the peril of, or for the safety of.
  • (prep.) By virtue of; with the pledge of; -- denoting a pledge or engagement, and put before the thing pledged; as, he affirmed or promised on his word, or on his honor.
  • (prep.) To the account of; -- denoting imprecation or invocation, or coming to, falling, or resting upon; as, on us be all the blame; a curse on him.
  • (prep.) In reference or relation to; as, on our part expect punctuality; a satire on society.
  • (prep.) Of.
  • (prep.) Occupied with; in the performance of; as, only three officers are on duty; on a journey.
  • (prep.) In the service of; connected with; of the number of; as, he is on a newspaper; on a committee.
  • (prep.) Forward, in progression; onward; -- usually with a verb of motion; as, move on; go on.
  • (prep.) Forward, in succession; as, from father to son, from the son to the grandson, and so on.
  • (prep.) Adhering; not off; as in the phrase, "He is neither on nor off," that is, he is not steady, he is irresolute.
  • (prep.) Attached to the body, as clothing or ornament, or for use.
  • (prep.) In progress; proceeding; as, a game is on.

Example Sentences: