What's the difference between beforehand and previously?

Beforehand


Definition:

  • (adv.) In a state of anticipation ore preoccupation; in advance; -- often followed by with.
  • (adv.) By way of preparation, or preliminary; previously; aforetime.
  • (a.) In comfortable circumstances as regards property; forehanded.

Example Sentences:

  • (1) It is claimed that Mitt Romney, the Republican presidential candidate, was "starstruck" by his association with Eastwood and that the film-maker's speech was not vetted beforehand.
  • (2) The striatal dopaminergic input was extensively destroyed beforehand to preclude the possibility of reinnervation of the striatum by endogenous dopaminergic neurons.
  • (3) Chloroquine may be used as a provocative diagnostic test for patients with a questionably latent PCT but this is safe if phlebotomy is performed beforehand.
  • (4) Beforehand, the claim that the symport of L-glutamate with Na+ is linked to simultaneous antiport with K+ has been confirmed by the demonstration that equilibrium exchange of L-glutamate is inhibited by potassium.
  • (5) In the aortic strips which had been treated with Ca antagonists beforehand, nicorandil at all concentrations tested produced a long lasting relaxation, and the rhythmic contraction did not appear during exposure to nicorandil.
  • (6) Administration of propranolol (a beta-adrenoceptor blocking drug) beforehand did not prevent lipid mobilization.
  • (7) Eight dogs had been treated beforehand with a preparation of flavone extracted from the root of the Chinese medicinal herb Andrographis paniculata (TFAP).
  • (8) The two men walked through the grounds beforehand, and were to meet again on Wednesday.
  • (9) [The Sunday Mirror] ought to have the justification already in place ... One of the things about the code is that newspapers think beforehand,” he told a fringe meeting organised by the Media Standards Trust at the Tory party conference on Tuesday morning.
  • (10) Subodh Chandra, an attorney for Tamir’s mother Samaria, said they had been given no information about the announcement beforehand and had learned it was taking place through a public statement made by the county prosecutor’s office about an hour earlier.
  • (11) Let me know how you get on ... in due course.” His nest had been half empty for a while, in that my mother had died 10 years beforehand, and when I left for university, he was beginning a relationship with the charming woman who became my stepmother.
  • (12) In normotensive patients the filling pressure could often not be sufficiently lowered as a too severe reduction of arterial pressure occurred beforehand.
  • (13) The ability of spermatozoa to survive cryopreservation could not be predicted from the properties of the semen beforehand.
  • (14) Muirfield can "turn around on you in a heartbeat", Scott had warned beforehand, and so it proved once again.
  • (15) Procedures to be followed were carefully explained to all students beforehand.
  • (16) McKeown, the director of west coast operations, and Kirkham, said O’Reilly had in the moments beforehand irritated residents who were trying to put out fires and clear wreckage.
  • (17) was injected intravenously 20 minutes before operation in 4 patients but 24 hours beforehand in the remainder.
  • (18) He said beforehand that it would be "a weight off my shoulders, like going on holiday".
  • (19) A cone-shaped dilator is placed beforehand at the proximal end of the vertical limb of the T tube to facilitate the passage of that end through the stenotic subglottic space.
  • (20) May sound reassuring on the electoral doorstep but likely to be trashed beforehand by weary doctors and political opponents.

Previously


Definition:

  • (adv.) Beforehand; antecedently; as, a plan previously formed.

Example Sentences:

  • (1) Previous use of the drug is found in more than 50 per cent of the patients, and it was often followed by a neglected side-effect.
  • (2) A series of human cDNA clones of various sizes and relative localizations to the mRNA molecule were isolated by using the human p53-H14 (2.35-kilobase) cDNA probe which we previously cloned.
  • (3) Since fingernail creatinine (Ncr) reflects serum creatinine (Scr) at the time of nail formation, it has been suggested that Ncr level might represent that of Scr around 4 months previously.
  • (4) The authors have presented in two previous articles the graphic solutions resembling Tscherning ellipses, for spherical as well as for aspherical ophthalmic lenses free of astigmatism or power error.
  • (5) Seventeen patients (Group 1) had had no previous surgery, while 13 (Group 2) had had multiple previous operations.
  • (6) Clinical and roentgenographic criteria could not discriminate between patients with and without pneumonia, confirming the findings of previous investigations.
  • (7) Previous attempts to purify this enzyme from the liquid endosperm of kernels of Zea mays (sweet corn) were not entirely successful owing to the lability of partially purified preparations during column chromatography.
  • (8) The taxonomic relationship of strains H4-14 and 25a with previously described Xanthobacter strains was studied by numerical classification.
  • (9) Using monoclonal antibodies directed against the plasma membrane of Madin-Darby canine kidney (MDCK) cells, we demonstrated previously that a glycoprotein with an Mr = 23,000 (gp23) had a non-polarized cell surface distribution and was observed on both the apical and basolateral membranes (Ojakian, G. K., Romain, R. E., and Herz, R. E. (1987) Am.
  • (10) Because cystine in medium was converted rapidly to cysteine and cysteinyl-NAC in the presence of NAC and given that cysteine has a higher affinity for uptake by EC than cystine, we conclude that the enhanced uptake of radioactivity was in the form of cysteine and at least part of the stimulatory effect of NAC on EC glutathione was due to a formation of cysteine by a mixed disulfide reaction of NAC with cystine similar to that previously reported for Chinese hamster ovarian cells (R. D. Issels et al.
  • (11) We have previously shown that serotonin is present in secretory granules of frog adrenochromaffin cells; concurrently, we have demonstrated that serotonin is a potent stimulator of corticosterone and aldosterone secretion by adrenocortical cells.
  • (12) As the percentage of rabbit feed is very small compared to the bulk of animal feeds, there is a fair chance that rabbit feed will be contaminated with constituents (additives) of batches previously prepared for other animals.
  • (13) In contrast to previous reports, these tumours were more malignant than osteosarcomas and showed a five-year survival rate of only 4-2 per cent.
  • (14) The data from this experience as well as others previously reported can yield prognostic indicators of survival in cases of accidental hypothermia.
  • (15) The previous year, he claimed £1,415 for two new sofas, made two separate claims of £230 and £108 for new bed linen, charged £86 for a new kettle and kitchen utensils and made two separate claims, of £65 and £186, for replacement glasses and crockery.
  • (16) Some S-100 reactive cells previously interpreted as tumour cells were refound in a few tumours.
  • (17) The results of our microscopic model confirm that the continuum hypothesis used in our previous macroscopic model is reasonable.
  • (18) Male sex, age under 19 or over 45, few social supports, and a history of previous suicide attempts are all factors associated with increased suicide rates.
  • (19) We present these cases and review the previously reported cases.
  • (20) These data indicate that RNA faithfully transfers "suppressive" as well as "positive" types of immune responses that have been reported previously for lymphocytes obtained directly from tumour-bearing and tumour-immune animals.