What's the difference between constrain and restrain?

Constrain


Definition:

  • (v. t.) To secure by bonds; to chain; to bond or confine; to hold tightly; to constringe.
  • (v. t.) To bring into a narrow compass; to compress.
  • (v. t.) To hold back by force; to restrain; to repress.
  • (v. t.) To compel; to force; to necessitate; to oblige.
  • (v. t.) To violate; to ravish.
  • (v. t.) To produce in such a manner as to give an unnatural effect; as, a constrained voice.

Example Sentences:

  • (1) Paul Johnson, the IFS director, said: “Osborne’s new fiscal charter is much more constraining than his previous fiscal rules.
  • (2) The parameters of the multiplet signal are consistent with the presence of a sterically constrained tyrosine phenoxyl radical.
  • (3) The variations in behavior and physiology across the year were considered in terms of factors constraining the timing of the natural reproductive pattern.
  • (4) First, chains are constrained by their inability to penetrate the boundary.
  • (5) The prepro form of ET-1 was inactive, suggesting that mature ET peptides are constrained in an inactive conformation within the preproET species.
  • (6) A method is presented for testing the equality of some or all (constrained or unconstrained) optima in a response surface analysis.
  • (7) The genius of a democracy governed by the rule of law, our democracy, is that it both empowers the majority through the ballot box, and constrains the majority, its government, so that it is bound by law.” Turnbull added: “Why does Daesh [another term for Islamic State] hate us?
  • (8) Often, a single, constrained peptide analogue can be designed, which will have many of the desired biological and biophysical properties, and will serve as a template.
  • (9) Because the rigor of the present day "scientific method" demands clearcut and reproducible results and investigations require predictable performance of the parasite in an evenly maintained host that is in a highly constrained environment, we should not wonder why we cannot produce the events of nature.
  • (10) In the first stage, the constrained random ordering of the stimuli is generated as specified by the user.
  • (11) Intrauterine influences which retard fetal weight gain may irrecoverably constrain the growth of the airways.
  • (12) "We have rhetorical pressure, which we are using, and we have the Seventh Fleet, which nobody wants to use, and in between our options are more constrained," he said.
  • (13) If correctional institutions constrain inmates' access to social benefits, means exist to protect incarcerated people's rights in health studies.
  • (14) Her ability to estimate time intervals and general time perspective was constrained by her impoverished store of knowledge for personal experiences.
  • (15) The immobilization successfully constrained the anteroinferior displacement of the maxilla and zygomatic bone on the fused side.
  • (16) In a previous study of push-off without plantar flexion it was shown that the transformation of knee angular velocity into translation of the body is constrained by the fact that velocity difference between hip and ankle has to reach its peak value a long time before the knee is extended.
  • (17) As there is no evidence for a close evolutionary link between kinesin and myosin, these and other similarities may represent convergence to set of common functional properties which are constrained by the requirements of protein structure and the use of ATP hydrolysis as a source of energy.
  • (18) By lengthening the ventricular effective refractory period, trains of conditioning stimuli could prevent or terminate tachycardias, but this possibility is constrained, at present, by the spatial limitations of the technique.
  • (19) The data suggest that the biological effects of RA may be constrained or augmented by differential regulation of its own receptor gene expression.
  • (20) A biological process serves as a source and its products are subject t] local dispersive fluid forces constrained by chaotic streamlines.

Restrain


Definition:

  • (v. t.) To draw back again; to hold back from acting, proceeding, or advancing, either by physical or moral force, or by any interposing obstacle; to repress or suppress; to keep down; to curb.
  • (v. t.) To draw back toghtly, as a rein.
  • (v. t.) To hinder from unlimited enjoiment; to abridge.
  • (v. t.) To limit; to confine; to restrict.
  • (v. t.) To withhold; to forbear.

Example Sentences:

  • (1) Cantact placing reaction times were measured in cats which were either restrained in a hammock or supported in a conventional way.
  • (2) It was hypothesized that compensatory restraining influences of surrounding soft tissues prevented a more severe facial malformation from occurring.
  • (3) After restrained least-squares refinement of the enzyme-substrate complex with the riboflavin omitted from the model, additional electron density appeared near the pyrophosphate, which indicated the presence of an ADPR molecule in the FAD binding site of PHBH.
  • (4) During collection, the rat was restrained in a plastic holder where it was free to eat.
  • (5) He could be the target of more punishing wit, as when Michael Foot, noting a tendency to be tougher abroad than at home, called him "a belligerent Bertie Wooster without even a Jeeves to restrain him."
  • (6) The apparatus consists of three basic components; a set of 4 strain gauge platforms on which the quadruped is trained to stand, a restraining device to keep the animal positioned over the strain gauge platforms and two mobile plates which mechanically stimulate the left or the right forelimb to produce the placing movement.
  • (7) The proposed new law gives victims of violence access to redress and protection, including restraining orders, and it requires local governments to set up more shelters.
  • (8) The structure of Mn(III) superoxide dismutase (Mn(III)SOD) from Thermus thermophilus, a tetramer of chains 203 residues in length, has been refined by restrained least-squares methods.
  • (9) These linkages could functionally restrain or assist in homeostatically restoring organelles to their normal position after the rearrangement that accompanies the substantial shortening of smooth muscle cells.
  • (10) A full-body restraining device was constructed that permits the short-term recording of physiologic data (respiration, electrocardiogram, arterial blood pressure, and electroencephalogram) in unanesthetized rats.
  • (11) For example, a majority of the respondents (82.2%) believed that it was appropriate to keep a patient restrained lying flat in bed.
  • (12) The reduced Hill coefficients and enhanced oxygen affinity are assumed to be due to impairment of the inter-chain contacts, to restrained cooperative mobility, and heterogeneity of the coupling products.
  • (13) The mean body temperature of restrained toms declined during the first 150 min of RE and then stabilized.
  • (14) Today, I am working clinically with Sam*, who moved to Dimensions from an assessment and treatment unit where he was often physically restrained to prevent incidents of aggression.
  • (15) Out of the total of 333 deaths, 87 people had been restrained, most commonly being physically held down by officers.
  • (16) We also examined the effect of an external restraining force on tibial subluxation in the ACL deficient knee.
  • (17) There was no significant difference between apparent pA2 values of unstressed and restrained rats using pA2 regression line analysis.
  • (18) Perhaps an independent Scotland would offer a restrained alternative to Westminster's current slash and burn.
  • (19) For training, head restrained animals were oscillated on a turntable in front of an optokinetic pattern projected onto a cylindrical wall.
  • (20) Significant increases in Tre were observed in the no-behaviour and the semi-restrained groups during cold exposure.