What's the difference between hasten and speed?

Hasten


Definition:

  • (v. t.) To press; to drive or urge forward; to push on; to precipitate; to accelerate the movement of; to expedite; to hurry.
  • (v. i.) To move celerity; to be rapid in motion; to act speedily or quickly; to go quickly.

Example Sentences:

  • (1) Increasing the pH of local anesthetics with sodium bicarbonate has been reported to hasten their onset of action.
  • (2) Rapid, on-site detection of chlamydial antigen in male FVU would shorten the infectious period by hastening diagnosis and treatment.
  • (3) The decomposition of nafcillin and penicillin G solutions was hastened significantly by magnesium sulphate due to effect on the pH values of the solutions.
  • (4) Tetrodotoxin (1.6 x 10(-6) M) delayed the onset, whereas monensin (10(-5) M) hastened it.
  • (5) Doctors fear being sued if morphine given to relieve terminally ill patients' pain hastens their death.
  • (6) Even if injected at 15 days 8 hrs, exogenous androgens do not hasten or anticipate the formation of Wolfian derivatives (epididymides and seminal vesicles) in males or in females.
  • (7) Analysis of the temperature effect on FeCN-supported O2 evolution by spheroplasts suggests that catechol shifts the temperature maxima to a lower temperature and thereby hastens the decay of O2 evolution capacity by heat as compared to the normal spheroplasts.
  • (8) It is possible, however, that neither drug can alter the natural course of this disease and may just hasten its expected inconsequential resolution.
  • (9) Tell us what you will do to hasten it, and what you need from government to do it faster.
  • (10) BP management says it supports the resolution but ultimately believes that politicians must take primary responsibility for tackling global warming and hastening in a low-carbon future.
  • (11) Peripheral blood stem cells (PBSC) reinfusion appears to hasten hematologic reconstitution following myeloablative therapy.
  • (12) However, when compared with posterior instrumentation alone, it does help ensure canal reduction and alignment, which may aid recovery and hasten rehabilitation.
  • (13) When step-ramp stimuli were presented in the normal field, the monkeys delayed the initiation of saccades to targets moving towards the central fixation point, and hastened the initiation of saccades to targets moving away from the central fixation point.
  • (14) Light was found to exert a greater influence than heat, and yeasts growth hastened colour degradation.
  • (15) The use of synthetic cuffs to simplify and hasten microvascular anastomoses is offered as an alternative to conventional methods.
  • (16) But there are steps we can take to save lives, hasten an end to the war, reduce the risks to the region and protect American interests as well.
  • (17) In the end, it was probably Thatcher's dependence on him which hastened Whitelaw's death.
  • (18) We would hasten to add that the other initiatives announced last week in the 2016-17 plan will remain.
  • (19) Finally increasing the general awareness of this problem should hasten the development of improved management strategies.
  • (20) In anaerobic cells, the I-D decline is hastened almost equally by absorption of either 705 or 650 nm background light.

Speed


Definition:

  • (n.) Prosperity in an undertaking; favorable issue; success.
  • (n.) The act or state of moving swiftly; swiftness; velocity; rapidly; rate of motion; dispatch; as, the speed a horse or a vessel.
  • (n.) One who, or that which, causes or promotes speed or success.
  • (n.) To go; to fare.
  • (n.) To experience in going; to have any condition, good or ill; to fare.
  • (n.) To fare well; to have success; to prosper.
  • (n.) To make haste; to move with celerity.
  • (n.) To be expedient.
  • (v. t.) To cause to be successful, or to prosper; hence, to aid; to favor.
  • (v. t.) To cause to make haste; to dispatch with celerity; to drive at full speed; hence, to hasten; to hurry.
  • (v. t.) To hasten to a conclusion; to expedite.
  • (v. t.) To hurry to destruction; to put an end to; to ruin; to undo.
  • (v. t.) To wish success or god fortune to, in any undertaking, especially in setting out upon a journey.

Example Sentences:

  • (1) Brief treadmill exercise tests showed appropriate rate response to increased walking speed and gradient.
  • (2) The samples are first disrupted by sonication and the insoluble proteins concentrated by high-speed centrifugation.
  • (3) The percent pause time, the standard deviation of the voice fundamental frequency distribution, the standard deviation of the rate of change of the voice fundamental frequency and the average speed of voice change were found to correlate to the clinical state of the patient.
  • (4) Local minima of hand speed evident within segments of continuous motion were associated with turn toward the target.
  • (5) "Speed is not the main reason for building the new railway.
  • (6) step lengths, stride times, double-support times, cadence and walking speed.
  • (7) Fog and base levels of E-speed film were greater than those of D-speed film.
  • (8) Liu was a driving force behind the modernisation of China's rail system, a project that included building 10,000 miles of high-speed rail track by 2020 – with a budget of £170bn, one of the most expensive engineering feats in recent history.
  • (9) While the correlations between speed and accuracy reversed over time, the abnormal vision group began and ended at the most extreme levels, having undergone a significantly more radical shift in this regard.
  • (10) The speed of visiting holes and the development of a preferred pattern of hole-visits did not influence spatial discrimination performance.
  • (11) 18 patients with typical sporadic Amyotrophic Lateral Sclerosis (ALS) were investigated by the Motor Accuracy and Speed Test (MAST) and 18 healthy age- and-sex-matched volunteers, acted as controls.
  • (12) On the other hand conclusions seem to be possible on growth speed of neoplasia.
  • (13) Whether out of fear, indifference or a sense of impotence, the general population has learned to turn away, like commuters speeding by on the freeways to the suburbs, unseeingly passing over the squalor.
  • (14) The model can account for speed changes in locomotion with a relatively smooth change of system parameters.
  • (15) The speed of conduction over the spinal cord did not reach adult values until the 5th year.
  • (16) The physical parameters measured are the intensity attenuation and absorption coefficients, the ultrasonic speed, the thermal conductivity, specific-heat capacity and the mass density.
  • (17) It's that he habitually abuses his position by lobbying ministers at all; I've heard from former ministers who were astonished by the speed with which their first missive from Charles arrived, opening with the phrase: "It really is appalling".
  • (18) Species differed with respect to speed of habituation but not with respect to sensitivity towards stimulus change.
  • (19) He speeded the process of decolonisation, and was the first British prime minister to appreciate that Britain's future lay with Europe.
  • (20) A two-lane, 400m bridge – funded by Jica, Japan's aid agency – coupled with simplified procedures agreed by Zambia and Zimbabwe have speeded up processing time.