What's the difference between maintain and sustain?

Maintain


Definition:

  • (v. t.) To hold or keep in any particular state or condition; to support; to sustain; to uphold; to keep up; not to suffer to fail or decline; as, to maintain a certain degree of heat in a furnace; to maintain a fence or a railroad; to maintain the digestive process or powers of the stomach; to maintain the fertility of soil; to maintain present reputation.
  • (v. t.) To keep possession of; to hold and defend; not to surrender or relinquish.
  • (v. t.) To continue; not to suffer to cease or fail.
  • (v. t.) To bear the expense of; to support; to keep up; to supply with what is needed.
  • (v. t.) To affirm; to support or defend by argument.

Example Sentences:

  • (1) This would disrupt and prevent Isis from maintaining stable and reliable sources of income.
  • (2) Despite their absence, photoreceptors maintained a normal rate of OS assembly.
  • (3) It is likely that trunk mobility is necessary to maintain integrity of SI joint and that absence of such mobility compromises SI joint structure in many paraplegics.
  • (4) Nasotracheal intubation has been well established as a method for maintaining an artificial airway in children.
  • (5) At the same time the duodenum can be isolated from the stomach and maintained under constant stimulus by a continual infusion at regulated pressure, volume and temperature into the distal cannula.
  • (6) Postpartum management is directed toward decreasing vasospasm and central nervous system irritability and maintaining fluid and electrolyte balance.
  • (7) While they may always be encumbered by censorship in a way that HBO is not, the success of darker storylines, antiheroes and the occasional snow zombie will not be lost in an entertainment industry desperate to maintain its share of the audience.
  • (8) Four patients died while maintained on PD; three deaths were due to complications of liver failure within the first 4 months of PD and the fourth was due to empyema after 4 years of PD.
  • (9) Subunits maintained under the above ionic conditions were compared with 30S and 50S particles at low (6 mM) magnesium concentration with respect to the reactivity of individual ribosomal proteins to lactoperoxidase-catalyzed iodination.
  • (10) Although temazepam was effective for maintaining sleep with short-term use, there was rapid development of tolerance for this effect with intermediate-term use.
  • (11) This suggests that molars do not maintain a fixed relationship to incisors over time, and extreme care must be taken to standardize an experiment to a specific body weight when using this method.
  • (12) For enrolled nurses an increase in "Intrinsic Job Satisfaction" was less well maintained and no differences were found over time on "Patient Focus".
  • (13) The birds were maintained at a constant temperature in, dim green light.
  • (14) The difference in the volume of diuresis was maintained after intravenous injection of 20 mg of frusemide.
  • (15) These levels are sufficient to maintain normal in vivo rates of mRNA and rRNA synthesis, but the average density of packing of polymerases on DNA is considerably less than the maximum density predicted by Miller and Bakken (1972), suggesting that initiation of polymerases of DNA is a limiting factor in the control of transcription.
  • (16) As total pancreatectomy markedly reduces the pancreatic hormone level, leading to a mortal hypoglycaemia, we attempted to maintain plasma glucose within the normal range by constant I.V.
  • (17) The resistance of GSA 65 to proteolytic degradation, together with previous immunofluorescence data that indicate the antigen is an integral part of the G. lamblia cyst wall, suggests that this molecule may play a role in maintaining the integrity of the cyst in vivo.
  • (18) The return of NE to normal levels after one month is consistent with the observation that LH-lesioned rats are by one month postlesion no longer hypermetabolic, but display levels of heat production appropriate to the reduced body weight they then maintain.
  • (19) The UNTR rats were subjected to a continuous food restriction to maintain body weights equal to those of the TR rats.
  • (20) During periods of wet steam it was impossible to maintain consistent sterility of the mouse pellets even using a cycle of 126 degrees C for 60 minutes.

Sustain


Definition:

  • (v. t.) To keep from falling; to bear; to uphold; to support; as, a foundation sustains the superstructure; a beast sustains a load; a rope sustains a weight.
  • (v. t.) Hence, to keep from sinking, as in despondence, or the like; to support.
  • (v. t.) To maintain; to keep alive; to support; to subsist; to nourish; as, provisions to sustain an army.
  • (v. t.) To aid, comfort, or relieve; to vindicate.
  • (v. t.) To endure without failing or yielding; to bear up under; as, to sustain defeat and disappointment.
  • (v. t.) To suffer; to bear; to undergo.
  • (v. t.) To allow the prosecution of; to admit as valid; to sanction; to continue; not to dismiss or abate; as, the court sustained the action or suit.
  • (v. t.) To prove; to establish by evidence; to corroborate or confirm; to be conclusive of; as, to sustain a charge, an accusation, or a proposition.
  • (n.) One who, or that which, upholds or sustains; a sustainer.

Example Sentences:

  • (1) In this study of ten consecutive patients sustaining molten metal injuries to the lower extremity who were treated with excision and grafting, treatment with compression Unna paste boot was compared with that with conventional dressing.
  • (2) Electrophysiologic studies are indicated in patients with sustained paroxysmal ventricular tachycardia, ventricular fibrillation or aborted sudden death.
  • (3) The study examined the sustained effects of methylphenidate on reading performance in a sample of 42 boys, aged 8 to 11, with attention deficit-hyperactivity disorder (ADHD).
  • (4) 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.
  • (5) Photograph: Guardian The research also compiled data covered by a wider definition of tax haven, including onshore jurisdictions such as the US state of Delaware – accused by the Cayman islands of playing "faster and looser" even than offshore jurisdictions – and the Republic of Ireland, which has come under sustained pressure from other EU states to reform its own low-tax, light-tough, regulatory environment.
  • (6) In order for the club to grow and sustain its ability to be a competitive force in the Premier League, the board has made a number of decisions which will strengthen the club, support the executive team, manager and his staff and enhance shareholder return.
  • (7) But if you want to sustain a long-term relationship, it's important to try to develop other erotic interests and skills, because most partners will expect and demand that.
  • (8) Hypnosis might be looked upon as a method by which an unscrupulous person could sustain such a state of powerlessness in a victim.
  • (9) Eight other children (20%) had normal or borderline elevation of CPK-MB fraction and EKG abnormalities combined with abnormal echocardiograms or radionuclide angiograms, and were considered to have sustained cardiac concussion.
  • (10) Communicating sustainability is a subtle attempt at doing good Read more And yet, in environmental terms it is infinitely preferable to prevent waste altogether, rather than recycle it.
  • (11) We found no statistically significant difference in one-year, biochemically validated, sustained cessation rates between the group offered the long-term follow-up visits (12.5%) and the group given the brief intervention (10.2%).
  • (12) The conversion of orotate to UMP, catalyzed by the enzymes of complex II, was increased at 3 days (+42%), a rise sustained to 14 days.
  • (13) Histamine (10(-6)-10(-4) M) induced concentration-dependent increases in tone and Ca2+i, but these responses were not sustained.
  • (14) Our studies have shown that infarcted dogs which exhibit inducible sustained ventricular tachycardia had late potentials and could be distinguished from those with no arrhythmias by the following QRS characteristics.
  • (15) These agents have been well-tolerated and generally produce a high incidence of sustained improvements in neutrophil counts and marrow morphology, although hemoglobin and platelet counts have generally not been altered.
  • (16) "I hope that he has the sleepless nights I have had for the past five weeks because my son sustained horrific injuries."
  • (17) The weakness was treated by intensive physical rehabilitation with complete and sustained recovery in all cases.
  • (18) For recreational runners who have sustained injuries, especially within the past year, a reduction in running to below 32 km per week is recommended.
  • (19) In the facial fractures, a large number of these patients also sustain a head injury.
  • (20) Chromatographic analysis of this radioactivity reveals that the octadecapeptide gives rise to much higher tissue levels of intact peptide and we believe that this acts as a depot and gives rise to the sustained blood concentrations and prolonged biological effects observed with this peptide.