What's the difference between precede and supersede?

Precede


Definition:

  • (v. t.) To go before in order of time; to occur first with relation to anything.
  • (v. t.) To go before in place, rank, or importance.
  • (v. t.) To cause to be preceded; to preface; to introduce; -- used with by or with before the instrumental object.

Example Sentences:

  • (1) However, this deficit was observed only when the sample-place preceded but not when it followed the interpolated visits (second experiment).
  • (2) Surprisingly, the clonal elimination of V beta 6+ cells is preceded by marked expansion of these cells.
  • (3) Peaks in the sperm index were preceded by 6 days with peaks in the serum testosterone concentration.
  • (4) Local application of 8-OH-DPAT (0-5 micrograms) into the median raphe nucleus, facilitated male rat sexual behavior, as evidenced by a decrease in number of intromissions preceding ejaculation and in time to ejaculation.
  • (5) Comparison of developmental series of D. merriami and T. bottae revealed that the decline of the artery in the latter species is preceded by a greater degree of arterial coarctation, or narrowing, as it passes though the developing stapes.
  • (6) In addition to the 89 cases of sudden and unexpected death before the age of 50 (preceded by some modification of the patient's life style in 29 cases), 11 cases were symptomatic and 5 were transplanted with a good result.
  • (7) There is precedent in Islamic law for saving the life of the mother where there is a clear choice of allowing either the fetus or the mother to survive.
  • (8) In some animals, the response was marked vasodilation, whereas in others transient vasoconstriction preceded the vasodilation.
  • (9) When Zn injection was preceded by a Cd injection, induction as measured by MT-1 mRNA and MT concentrations were approximately additive in liver.
  • (10) The results indicated that 48% of the sample either regularly checked their own skin or had it checked by another person (such as a spouse), and 17% had been screened by a general practitioner in the preceding 12 months.
  • (11) TIA preceded intracerebral hemorrhage in 11% and brain infarction in 15-20%.
  • (12) In all cases foetal administration of glucocorticoid led to the onset of labour, and lambing, and in all animals the hormonal changes preceding parturition were indistinguishable (either qualitatively or quantitatively) from the changes observed in animals carrying intact lambs.
  • (13) In the improved group, the families reported that the gait abnormality preceded the dementia in 11 patients and occurred at the same time in five.
  • (14) This effect could be intensified by a preceding treatment of the animal with androgens.
  • (15) These neurons can be identified uniquely by 3H-thymidine exposure during the week preceding the neurogenesis of cortical layer 6.
  • (16) They were preceded by the publication of The Success and Failure of Picasso (1965) and Art and Revolution: Ernst Neizvestny and the Role of the Artist in the USSR (1969); in one, he made a hopeless mess of Picasso’s later career, though he was not alone in this; in the other, he elevated a brave dissident artist beyond his talents.
  • (17) A manual search, derived from the references of these papers, was performed to obtain relevant citations for the years preceding 1970.
  • (18) A traumatic factor in the aetiology of the AVM was also discussed, since the patient had had two preceding episodes of traffic accidents with cranial and lumbar injury.
  • (19) Neither was the intra-VMH infusion of MA effective if: (i) the rats were not primed with estrogen; (ii) the tips of the cannulae were outside the VMH; or (iii) it was preceded by an intra-VMH infusion of the alpha 1b-antagonist, chloroethylclonidine (CEC).
  • (20) The first is that the supposed exaggerated winter birthrate among process schizophrenics actually represents a reduction in spring-fall births caused by prenatal exposure to infectious diseases during the preceding winter--i.e., a high prenatal death rate in process preschizophrenic fetuses.

Supersede


Definition:

  • (v. t.) To come, or be placed, in the room of; to replace.
  • (v. t.) To displace, or set aside, and put another in place of; as, to supersede an officer.
  • (v. t.) To make void, inefficacious, or useless, by superior power, or by coming in the place of; to set aside; to render unnecessary; to suspend; to stay.
  • (v. t.) To omit; to forbear.

Example Sentences:

  • (1) It was superseded by a new version earlier this year.
  • (2) At higher [Ca2+]i, the effect of K+ channels on Em is superseded by opening of nonselective cation channels, producing depolarization.
  • (3) The cephalic signal can be superseded by juvenile hormone, whose presence is necessary for each follicle to become vitellogenic.
  • (4) In an age of economic crisis, the tacit assumption of the governing class is that political reform is superseded by the growing demand for security.
  • (5) Radiological studies of Willis' circle morphology are mainly performed in search of intracerebral aneurysms, and for this purpose digital imaging has not superseded conventional radiology.
  • (6) This extracellular action may supersede the action of collagenase and the activity of these different enzymes would thus be regulated by changes in the nature of this microenvironment.
  • (7) Indeed, by the mid-17th century, Caravaggism was already out of favour in Rome and had been superseded by a Raphaelesque classicism, practised most gracefully by Annibale Carracci.
  • (8) In spite of his life seeming superficially great, in spite of all the praise and accolades, in spite of all the loving friends and family, there is a predominant voice in the mind of an addict that supersedes all reason and that voice wants you dead.
  • (9) During the period under review the Phemister procedure was replaced by percutaneous epiphysiodesis, and orthoroentgenogram was superseded by computed tomography (CT) scanning.
  • (10) Indeed, by analogy with anti-hypertensive therapy, enzyme inhibitors could eventually supersede receptor antagonists for the treatment of acid-related diseases.
  • (11) Autoregulation graduates to wingless independence, but is transient, and is superseded by an engrailed-independent mode of maintenance.
  • (12) Early excision-graft of burned hands seems to have totally superseded the conventional method of progressive detorsion often with late grafting.
  • (13) Graphene is claimed by some as an innovation that will prove as revolutionary as the silicon chip, or even plastics, both of which it may supersede.
  • (14) Stupid, sadistic, public-school educated, a former Black and Tan and one-time professional strikebreaker in the United States, "wanted in New Orleans for the murder of a coloured woman", it's tempting to see him as a satirical portrait of the archetypal hero of the moribund thrillers that Ambler was so determined to supersede, unmasked and revealed for the cryptofascist brute he really is.
  • (15) If you are in this position, your rights also supersede what are commonly known as "squatters' rights".
  • (16) Streptomycin undoubtedly will be improved upon and superseded by some other agent in the future, giving us better control of this disease and possibly enabling us to eradicate it.
  • (17) The application of this combination of techniques supersedes the traditional approaches (gel filtration on polydextran gels, electrophoresis) in specificity and speed.
  • (18) People and companies are entitled to acquire and hold private assets, but there are times – as in the run-up to the Olympics, as in the period of urban reconstruction after the second world war – when the public good must supersede the rights of those who wish to retain and profit from private assets.
  • (19) It is designed as an objective system--superseding former weighting processes, which were influenced by ambition, prestige, prejudice and narrow politics--and has sufficient flexibility to accommodate both the anticipated and the unforeseen.
  • (20) The principle that the best management is resection and exteriorisation of the ends, which was developed in the early 1970s, has been superseded by the realisation that resection and primary anastomosis can be safe in a well-resuscitated infant in whom the bowel ends appear viable.