What's the difference between lighten and tighten?

Lighten


Definition:

  • (v. i.) To descend; to light.
  • (v. i.) To burst forth or dart, as lightning; to shine with, or like, lightning; to display a flash or flashes of lightning; to flash.
  • (v. i.) To grow lighter; to become less dark or lowering; to brighten; to clear, as the sky.
  • (v. t.) To make light or clear; to light; to illuminate; as, to lighten an apartment with lamps or gas; to lighten the streets.
  • (v. t.) To illuminate with knowledge; to enlighten.
  • (v. t.) To emit or disclose in, or as in, lightning; to flash out, like lightning.
  • (v. t.) To free from trouble and fill with joy.
  • (v. t.) To make lighter, or less heavy; to reduce in weight; to relieve of part of a load or burden; as, to lighten a ship by unloading; to lighten a load or burden.
  • (v. t.) To make less burdensome or afflictive; to alleviate; as, to lighten the cares of life or the burden of grief.
  • (v. t.) To cheer; to exhilarate.

Example Sentences:

  • (1) Daily subcutaneous injection of L-dopa for 4 weeks into 2-year-old low egg production hens resulted in a lightening of feather color to snow white and increased oviduct and ovary weights and the development of well developed follicles.
  • (2) I ask if he ever wishes the critics would lighten up around him.
  • (3) This unexpected non-linear trend may reflect a progressive tendency toward 'lightening' of sleep with increasing age.
  • (4) Clinical trials on 28 patients with port-wine stains of the face and neck using this laser demonstrated a 75% response rate with greater than 50% lightening of the lesions.
  • (5) Their carefully judged mischief lightened the whole mixture like stiffly beaten egg-whites.
  • (6) But it's also undeniable that Indians who grew up in the 80s and 90s have been in many ways morally and imaginatively conservative: they are the context, for instance, in which wish-fulfilling skin lighteners like Fair & Lovely have flourished.
  • (7) As previously shown with colchicine, preincubation of frog skin with vinblastine, vincristine, or colcemid produced an increase in darkening induced by MSH, as compared to control skins, and a dosage-dependent inhibition of subsequent lightening.
  • (8) Skin-lightening creams are widely used in Taiwan, but their content is poorly controlled.
  • (9) Patients aged between 3 months and 6 years (44 patients) had a better response after the first treatment (55% lightening) than did patients aged between 7 and 14 years (29 patients with a 48% lightening; p = 0.027).
  • (10) By sharing the load, we lighten the load – and together we can chip away at the debt and deficits that are currently costing Australians $1bn every single month in interest, in dead money,” Abbott said in a YouTube video released on Monday.
  • (11) This difference in density is not related to increased sensitivity to ionizing radiation but the degree of post-irradiation change in density (lightening) is proportional to the initial density, i.e.
  • (12) Following a complete repair, the anesthesia of the mothers was allowed to lighten.
  • (13) Forty-one over-the-counter skin lightening creams were analysed for hydroquinone content, and the accuracy of tables of contents supplied with these products was assessed.
  • (14) Advocates of open adoption believe that it lightens and in some cases alleviates the grieving process after relinquishment.
  • (15) In his speech, Hunt also called for the regulatory burden to be lightened for broadcasters to allow them to be more flexible and said Ofcom would be slimmed down under a Tory government.
  • (16) The court said his sentence was lightened because he was an accessory to the murder, not the instigator, and because he had confessed and shown remorse.
  • (17) Over a couple of pints, we cover all the big stuff: Victoria Beckham, rivers of blood, what it'll be like being deputy PM to Boris ("Boris needs me; he needs lightening up"), and the attempt to ban menthol cigarettes .
  • (18) This article describes a simple way to circumvent major internal alteration to the Blue Ray copier to permit an easy and effective lightening process.
  • (19) A properly functioning general-practitioner hospital with good facilities including visiting consultants can greatly lighten the work load of the district general hospital.
  • (20) Substantial lightening or total clearing occurred in 18 (78%) of 23 amateur tattoos and 3 (23%) of 13 professional tattoos in which the protocol was completed.

Tighten


Definition:

  • (v. t.) To draw tighter; to straiten; to make more close in any manner.

Example Sentences:

  • (1) In a clear water reservoir built in ready construction after a working-period of five months quite a lot of slime could be found on the expansion joint filled with tightening compound on the base of Thiokol.
  • (2) Under pressure from many backbenchers, he has tightened planning controls on windfarms and pledged to "roll back" green subsidies on bills, leading to fears of dwindling support for the renewables industry.
  • (3) Since then, Republican activists and enthusiasts have been energised and polls have tightened.
  • (4) With the City's regulatory framework being tightened by the coalition government, which is disbanding the FSA and handing control of bank oversight to the Bank of England , there is concern in London that the US politicians are being opportunistic.
  • (5) We need to stop making excuses for them: But it is up to the state to close the loopholes Yes, the state must work continually to tighten and simplify the tax regime, which is a deliberate mess keeping an entire industry of accounting firms and tax lawyers fed.
  • (6) A simplified procedure is described whereby tissue is removed via a posterior eyelid approach so that the eyelid may be tightened both horizontally and vertically, thus inverting the punctum and fixating it in the lacrimal lake.
  • (7) Increased slippage torques of approximately 100 per cent were noted in all interfaces at low values of tightening torque (6 and 8 N m) of the wing-nut clamp and improvements of not less than 50 per cent were obtained at higher tightening torques (10 and 12 N m) on the wing-nut clamp.
  • (8) After the 2009 shooting, the US military tightened security at bases nationwide.
  • (9) Several procedures have been developed to restore closure of the paralyzed upper eyelid (implantation of gold weights or open wire springs) or to correct lower lid lagophthalmos and ectropion (lower lid tightening with a Bick procedure or insertion of a closed eyelid spring).
  • (10) Otherwise, the United States will continue to work with allies and partners to tighten national and international sanctions to impede North Korea's nuclear and missile programmes."
  • (11) Tightening compounds which were used in the sphere of drinking-water led to a microbial settlement that differs in points of quantity and quality depending on the kind of material.
  • (12) As border security has been tightened in recent years, and the flow of migrant workers has declined, routes across the border have been controlled by violent drug cartels.
  • (13) Emanuel has received backing from establishment Democrats and business leaders who have praised his financial acumen, including attracting new businesses and budget tightening to attempt to close a roughly $300m operating deficit.
  • (14) Installation of an irrigation infusion in the postoperative period and well-tightened connections help avoid such complications as thrombus formation, bleeding or air embolism.
  • (15) | Hugh Muir Read more Wherever Labour people gather to discuss how to break out of the vice tightening around the party, answers fail amid sighs of utter despair.
  • (16) Labour sources said they also wanted to make sure that the legislation was tightened up so jobseekers' regular rights of appeal, separate to the court of appeal judgment, were not also trampled on by the new law.
  • (17) All of this has been accompanied by ideological tightening across academia, religion, even state media and officialdom itself: a sort of sterilisation of the environment.
  • (18) Plans to tighten regulation of Britain's main banks will also include "living wills", which the FSA said was moving ahead quickly.
  • (19) Tightening of clasps already in contact with a tooth frequently produces adverse changes.
  • (20) They are already under pressure from their regulator, the Financial Services Authority, to tighten their lending criteria.