What's the difference between preclude and prelude?

Preclude


Definition:

  • (v.) To put a barrier before; hence, to shut out; to hinder; to stop; to impede.
  • (v.) To shut out by anticipative action; to prevent or hinder by necessary consequence or implication; to deter action of, access to, employment of, etc.; to render ineffectual; to obviate by anticipation.

Example Sentences:

  • (1) However, the variation in samples, even from among individual animals that had survived challenge, was so great that it precludes the use of the macrophage migration technique as a routine standard assay procedure for immunity.
  • (2) However, hemodynamic effects of the compound, suggesting an oxygen sparing action, did not preclude the antifibrillatory effectiveness.
  • (3) Since group therapy and sensory stimulation over a relatively short period can result in clinical and testable improvement, the diagnosis of "chronic brain syndrome" in the elderly should not be allowed to preclude the provision of appropriate psychiatric therapy.
  • (4) Positive biopsy findings may preclude transplantation.
  • (5) These findings may preclude the use of controlled studies on early synovectomy using the non-operated hand as a control in a long-term assessment of X-ray progression.
  • (6) Immunoassay of semen samples for CTX were not diagnostic, but the sensitivity and timing of the test employed may have precluded detection of small quantities of the toxin.
  • (7) These were all mild or moderate in severity and did not preclude continued administration of the study drug.
  • (8) Moreover, reexamination of the original X-ray maps reported in 1968 and thought to preclude a Tyr-248-Zn interaction now leads to the conclusion that in up to 25 per cent of the molecules in the crystals ttyr-248 interacts with the active site zinc atom (W.D.
  • (9) Nowadays, conventional cholecystectomy remains indicated when laparoscopy is contra-indicated, notably in cases with tight peritoneal adhesions precluding laparoscopy.
  • (10) However, this does not preclude the need for appropriately ex vivo-handled specimens for monitoring isepamicin concentrations in plasma to ensure therapeutic efficacy and prevent toxicity.
  • (11) The striatal dopaminergic input was extensively destroyed beforehand to preclude the possibility of reinnervation of the striatum by endogenous dopaminergic neurons.
  • (12) Rapidly progressive autolytic changes preclude the meaningful morphological assessment of hypoxic change at the ultrastructural level.
  • (13) The lack of data on the fertilizing capacity of sperm in GIFT procedures in cases of male infertility is a real disadvantage and currently precludes the management of severe male infertility with this method.
  • (14) Superficial muscle necrosis is a complication of this operation but has not precluded its usefulness.
  • (15) In vitro attempts to demonstrate local activated macrophages in the foot pads of M. leprae infected mice failed, but, because of the technical problems encountered, do not preclude their presence.
  • (16) In some cases with relatively minimal vascular changes the prognosis was poor, whereas heavy cellular infiltreate without vessel damage did not necessarily preclude functional recovery.
  • (17) In aortic stenosis: a) severe ventricular dysfunction does not preclude the surgical treatment; b) the actuarial analysis suggests that EF less than 50% determines worse prognosis and always occurs with decreased CO; c) the excellent evolution of the asymptomatic patients does not generalize the surgical treatment in this phase; d) the incidence of the sudden death was not high after the surgical treatment; e) patients with pre-operative left ventricular dysfunction had greater mortality due to heart failure, than patients with normal left ventricular function; f) despite of the morbid events our results confirm the real benefit of the surgical treatment in the aortic stenosis.
  • (18) Receptor cells with cilia were observed, and although the olfactory system undergoes further differentiation during pouch life and although the olfactory epithelium and bulb of the newborn differs from that of the adult, these facts do not preclude the ability of the newborn to detect smell.
  • (19) The Likud, led by Binyamin Netanyahu, is committed to permanent Israeli control over most of the West Bank, and this precludes the possibility of peace with the Palestinians.
  • (20) PAC was administered monthly until disease progression or toxicity precluded additional therapy.

Prelude


Definition:

  • (v. t.) An introductory performance, preceding and preparing for the principal matter; a preliminary part, movement, strain, etc.; especially (Mus.), a strain introducing the theme or chief subject; a movement introductory to a fugue, yet independent; -- with recent composers often synonymous with overture.
  • (v. i.) To play an introduction or prelude; to give a prefatory performance; to serve as prelude.
  • (v. t.) To introduce with a previous performance; to play or perform a prelude to; as, to prelude a concert with a lively air.
  • (v. t.) To serve as prelude to; to precede as introductory.

Example Sentences:

  • (1) If overloaded, these areas are subject to "cervical cratering," a common prelude to implant failure.
  • (2) The separate anxiety measures utilized were total number of words, preludes to stories, outcomes to stories, combined preludes and outcomes, perceptual repression, and overall psychopathology.
  • (3) Sometimes it's because of a personal connection - the Shostakovich Preludes and Fugues my grandfather loved the most, which we listened to together, or the Bruckner symphony I associate with our family home in the highlands of Scotland - but the welling-up can also come completely out of the blue.
  • (4) We have studied the age-dependence of the effects of kainate (KA) on the chick retina as a prelude to the accompanying paper on the effects of target-removal on the isthmo-optic nucleus.
  • (5) As a prelude to these goals, sodium-23 imaging experiments operating at 29.8 MHz (2.7 teslas) were performed on the bovine eye and lens.
  • (6) • Russia called on Syria to turn control of its chemical weapons arsenal over to international authorities as prelude to the arsenal's destruction.
  • (7) A concept so noble in the drawing rooms of Manhattan has degenerated into a sickening prelude to more bloodshed.
  • (8) Discussion of the patient's condition, technicalities, and judicial consequences with the next of kin, attendants, a pastor, and another physician is a necessary prelude.
  • (9) We propose that stereotaxic neurosurgery can provide safe and accurate diagnosis, which is a prelude to planning comprehensive management.
  • (10) As a prelude to neurobehavioral toxicologic studies in neonatal minipigs, normal maturational changes in the visual evoked response (VER) were determined in 6 Hormel-bred minipigs.
  • (11) As a prelude to future studies focusing on the mechanism of drug-induced embryotoxicity, we have used established biochemical and immunologic methods to identify and quantify topoisomerase II in rat embryos.
  • (12) He'll certainly be hoping that Diaries Volume One: Prelude to Power 1994-1997 does better than his second novel, Maya.
  • (13) For each Prelude, the tonic (first note) and the mode (major or minor) of the scale produced were compared to the tonic and mode designated by Bach.
  • (14) This will be a very hot week that should be seen as a prelude to a very hot winter,” she said.
  • (15) Implied in this hypothesis is the idea that crest-derived cells, as a prelude to their participation in ganglion formation, acquire a neurally related laminin receptor, which they do not express at pre-enteric stages of migration.
  • (16) The extracellular coat, or zona pellucida, of mammalian eggs contains species-specific receptors to which sperm bind as a prelude to fertilization.
  • (17) It is speculated that other fish may have evolved some degree of strength to overcome inertia and drag during aquatic locomotion, and this evolution may have been a prelude to terrestrial locomotion.
  • (18) A huge Russian convoy allegedly carrying humanitarian aid was on its way to war-torn eastern Ukraine on Tuesday night, in a operation which the west fears may be a prelude to a Russian invasion but which Moscow insists is designed to relieve the suffering of besieged residents trapped by conflict.
  • (19) As a prelude to an awareness course in mental handicap an exploration was made of the relevant cultural knowledge of pupils in the second year of a comprehensive school.
  • (20) In the prelude to the Good Friday agreement, the negotiators made ample use of what David Trimble, the Ulster Unionist leader, liked to call “constructive ambiguity”.