(v. t.) To make hard or harder; to make firm or compact; to indurate; as, to harden clay or iron.
(v. t.) To accustom by labor or suffering to endure with constancy; to strengthen; to stiffen; to inure; also, to confirm in wickedness or shame; to make unimpressionable.
(v. i.) To become hard or harder; to acquire solidity, or more compactness; as, mortar hardens by drying.
(v. i.) To become confirmed or strengthened, in either a good or a bad sense.
Example Sentences:
(1) Osmotically treated red cells, red cells partially hardened with increasing glutaraldehyde concentrations, and mixtures of normal and hardened red cells were used to test the method.
(2) "But if public opposition to further austerity measures hardens, the Greek government could find it even tougher to put the public finances back on a sustainable footing."
(3) It's not as if they were once tolerant and have hardened their hearts as they've grown older.
(4) Insertion of an adequate approximate amalgam filling and its finish after hardening is one of the basic preventive measures in marginal periodontopathies.
(5) Hardened skin was markedly altered physiologically.
(6) A comparison was made of the kinetics of the carboxylation reaction of bicarbonate-magnesium-activated ribulose biphosphate carboxylase-oxygenase purified from cold-hardened and unhardened winter rye (Secale cereale L. cv.
(7) Rarely has there been a potential presidential candidate so battle-hardened and ready for combat.
(8) With its huge corps of jihadists hardened by years of fighting in Kashmir, it is arguably too big to confront at a time when Pakistan is battling the TTP.
(9) However, several systematic errors of the method have to be considered, such as the influence of fat present in the spongiosa in varying concentrations as well as beam hardening effects and different calibration methods.
(10) It is the sort of malevolent onslaught that has caused many hardened media pundits to quake.
(11) Values of elongation were more than 10% even after hardening heat treatment.
(12) It’s not an entirely controversy-free choice, considering that Harden hasn’t been a starter for more than two seasons, doesn’t have the best track record as far as being a team player goes and at times has been bad enough on defense that you could make an entire YouTube playlist devoted entirely to clips of him failing to make any defensive effort whatsoever.
(13) Compared to conventional CT, the new system should significantly improve contrast resolution of the image and provide better image quantification because of its lack of beam-hardening effects and its efficient implementation of energy-selective imaging methods such as dual-photon absorptiometry and K-edge subtraction with high-atomic-number (high-Z) contrast-enhancement elements.
(14) An earlier debt sustainability analysis was leaked in the days leading up to the Greek referendum and helped harden opposition to the (less draconian) terms then on offer.
(15) He also signalled a change in policy on welfare, hardening Labour’s opposition to the government’s welfare reforms, by pledging to oppose the cap on the total amount of benefits that a person can receive.
(16) The effects of DMSO and cooling on fertilization are likely to be due to zona hardening by cortical granule release and to disorganization of the egg cytoskeleton and plasma membrane.
(17) When present during the egg activation process monodansylcadaverine (MDC-a fluorescent lysine analog) inhibits eggshell hardening and at the same time becomes covalently incorporated into the eggshell.
(18) In rigor control, crossbridges were most regular in muscles that were stabilized before freezing by prefixation in glutaraldehyde followed by 'hardening' with neutralized tannic acid, so all nucleotide treatments were terminated by such fixation.
(19) It main advantage lies in the screening of arterial diseases (very reproductable and sensitive), monitoring of the treatment (unrelated to the operator), study of hardened arteries (diabetes).
(20) Evidence from several sources indicate that the catalytic action of the peroxidase is responsible for hardening the FE through the phenolic coupling of tyrosyl residues of the FE proteins.
Harken
Definition:
(v. t. & i.) To hearken.
Example Sentences:
(1) In this regard, techniques for endomyocardial resection have been described by Harken and Josephson.
(2) On this base different direct surgical approaches were advocated by Guiraudon, proposing an encircling endocardial ventriculotomy and by Josephson and Harken recommending a subendocardial resection technique.
(3) The recent contributions of Sullivan, Harken and Gorlin (54), Weily and Genton (55), and Harker and Slicter (56) to our understanding of the role of the platelets in initiating such fibrinous deposition now provide us with a way to prevent such late degeneration of valves made of fascia lata.
(4) The new store "is a reflection of realising that the relationship we want to have with our customers should harken back to this sense of community, this unique store environment".
(5) A second case of malfunction of a Harken disk valve due to undue disk wear is reported.
(6) The first candidate to speak, former secretary of state Hillary Clinton, harkened back to the 1990s and the “vast right wing conspiracy” she once railed against in describing the investigation of her emails and use of a “private homebrew server” while leading the State Department.
(7) Read more It is a time-honored role for artist as designator, to point at the stuff of the physical world and revision it as art, harkening back to the readymade.
(8) It harkens to Kansas City's oldest community development corporation, the Black Economic Union, started in 1968 by NFL Hall of Famer Jim Brown to spur redevelopment in the city's black neighborhoods.
(9) For the creation of atrial septal defect (ASD), we have developed a new method (Method I) using modified Harken blade for the closed commissurotomy, in which the membranous septum of the fossa ovalis was incised in case of patent foramen ovale (PFO).
(10) Many of his proposals harkened back to the old populist PRI, promising pensions for the elderly, life insurance for single mothers to support their children through college, a program to end hunger and a new system of passenger trains.
(11) It harkens back to the most absurd moments of the cold war, when nuclear strategists followed the logic of deterrence over the cliff and into the abyss.” In its efforts to reassure its eastern European allies over the threat of Russian encroachment, the US has also been mixing its conventional and nuclear signalling.
(12) I don’t pick out a name – don’t want to hurt anybody or help anybody, frankly.” Trump, whose campaign slogan is “make America great again” harkened back to an era when he thought the country was great and there was bipartisanship.
(13) A porcine bioprosthetic valve was implanted in 528 patients (514 Hancock and 14 Carpentier-Edwards valves) and a prosthetic disc valve in 178 patients (102 standard disc Björk-Shiley, 34 Beall, and 42 Harken disc valves).
(14) Years of frustration of cardiac surgeons attempting to control intractable ventricular arrhythmia finally ended when the team of Harken, Josephson, and Horowitz performed electrophysiologically directed left ventricular endocardial resection and reported their early results 10 years ago.
(15) All P underwent aneurysmectomy and an excision of the altered endocardium by Harken's method.
(16) In 3 patients excision of the altered endocardium by Harken's method (endocardial peeling) was done; in 2 of the patients it was preceded by intraoperative electrophysiological study.
(17) A Harken prosthetic disc valve (DVR) was used in 53 patients and glutaraldehyde-preserved Hancock porcine xenograft (PVR) in 56 patients.
(18) Social media’s reaction to the photo essay harkened back to other uses of Twitter to discuss women’s experiences, including #WhyIStayed , which served as a public forum for women to discuss experiences of domestic abuse.
(19) (Conservatives show footage of Black Panthers at the polls, progressives harken back – not very far – the obstacles white legislators put in front of black voters.)
(20) In proposing the neurogenic and psychogenic groupings, we do not intend to harken back to antique "mind-body" distinctions.