What's the difference between drastic and radical?

Drastic


Definition:

  • (a.) Acting rapidly and violently; efficacious; powerful; -- opposed to bland; as, drastic purgatives.
  • (n.) A violent purgative. See Cathartic.

Example Sentences:

  • (1) During the first three weeks of adaptation drastic changes in the parameter were seen.
  • (2) The differentiation between the various modes of involvement is essential as some of them may be confused with recurrence and the clinician might resort to unnecessary drastic measures like enucleation.
  • (3) Survival rates depend on age: 5 years survival rate of patients up to 65 years was 8,1% (59 of 729) and fell drastically in patients of 65+ years (28 of 1109 = 2,5%).
  • (4) While visitors amble freely around the newly refurbished inside – the Pierhead is sure and steadfast in its role outside as the drastic red building, emblazoning the landscape of Cardiff Bay in all its regal beauty.
  • (5) Optic chiasm transection drastically diminished this ability, callosal section had little effect and combined lesions of these two structures abolished stereoperception.
  • (6) The observed drastic interstrain differences in dopamine receptor sensitivity demonstrate the essential role of genotype in the effects of dopaminergic drugs.
  • (7) Treatment of Xenopus laevis membranes with the 2',3'-dialdehyde of GTP (dial GTP) drastically inhibits their adenylyl cyclase activity.
  • (8) Ivermectin treatment of all cattle on a badly infected farm failed to interrupt the transmission of P. bovicola, even though ovipositional blood spots were drastically reduced in numbers for an entire summer season following treatment.
  • (9) The number of DAB positive organelles per surface area decreased steadily with culture age, and significantly on day 2 (p less than 0.01) to become drastically low on day 5 and negligible on day 7.
  • (10) However, treatment of intact worms drastically affected the integrity of the membrane.
  • (11) Treatment with glucocorticosteroids has drastically improved the prognosis.
  • (12) Only a drastic osmotic shock in distillated water as a mean to disrupt mitochondrial membrane was found to strongly increase the actual rate of the rotenone-sensitive activity.
  • (13) Such a drastic measure in an impossibly short timeframe would deprive generations of refugees of any choices for their future,” said Charles Gaudry, MSF’s head of mission in Kenya.
  • (14) In the deforming osteo-arthrosis (150 observations) in the synovial sheath there were usually noted drastic sclerosis and atrophy of organ-specific structures, impairmement of the production of the synovial fluid, and dystrophic falling into fibers of the articular cartilage with intensive proliferation of the cartilage cells.
  • (15) This was primarily due to the drastic decrease with age in excretion of bis-digitoxoside.
  • (16) The velocity of darkness adaptation was drastically changed in patients with chronic alcoholism but it was also reversible.
  • (17) The combined effects lead to a drastic antimutagenic effect, the molecular mechanism of which is given by these changes in mutagen-metabolizing enzymes.
  • (18) Decreasing the water concentration in the reaction medium by adding methanol at 0 degrees C drastically reduces the rate of racemization without affecting the rate of transamination.
  • (19) The factor production during a certain period of the development of lines is drastically increased by radiation.
  • (20) Excretion of zinc and especially of silicon through the kidneys and intestine drastically grew on the day of the contest.

Radical


Definition:

  • (a.) Of or pertaining to the root; proceeding directly from the root.
  • (a.) Hence: Of or pertaining to the root or origin; reaching to the center, to the foundation, to the ultimate sources, to the principles, or the like; original; fundamental; thorough-going; unsparing; extreme; as, radical evils; radical reform; a radical party.
  • (a.) Belonging to, or proceeding from, the root of a plant; as, radical tubers or hairs.
  • (a.) Proceeding from a rootlike stem, or one which does not rise above the ground; as, the radical leaves of the dandelion and the sidesaddle flower.
  • (a.) Relating, or belonging, to the root, or ultimate source of derivation; as, a radical verbal form.
  • (a.) Of or pertaining to a radix or root; as, a radical quantity; a radical sign. See below.
  • (n.) A primitive word; a radix, root, or simple, underived, uncompounded word; an etymon.
  • (n.) A primitive letter; a letter that belongs to the radix.
  • (n.) One who advocates radical changes in government or social institutions, especially such changes as are intended to level class inequalities; -- opposed to conservative.
  • (n.) A characteristic, essential, and fundamental constituent of any compound; hence, sometimes, an atom.
  • (n.) Specifically, a group of two or more atoms, not completely saturated, which are so linked that their union implies certain properties, and are conveniently regarded as playing the part of a single atom; a residue; -- called also a compound radical. Cf. Residue.
  • (n.) A radical quantity. See under Radical, a.
  • (a.) A radical vessel. See under Radical, a.

Example Sentences:

  • (1) In conclusion, the efficacy of free tissue transfer in the treatment of osteomyelitis is geared mainly at enabling the surgeon to perform a wide radical debridement of infected and nonviable soft tissue and bone.
  • (2) The hypothesis that proteins are critical targets in free radical mediated cytolysis was tested using U937 mononuclear phagocytes as targets and iron together with hydrogen peroxide to generate radicals.
  • (3) These membrane perturbation effects not observed with bleomycin-iron in the presence of a hydroxyl radical scavenger, dimethyl thiourea, or a chelating agent, desferrioxamine, were correlated with the ability of the complex to generate highly reactive oxygen species.
  • (4) The role of O2 free radicals in the reduction of sarcolemmal Na+-K+-ATPase, which occurs during reperfusion of ischemic heart, was examined in isolated guinea pig heart using exogenous scavengers of O2 radicals and an inhibitor of xanthine oxidase.
  • (5) Flow cytometric DNA analysis was performed on both fresh and on paraffin embedded samples obtained by gastroscopic biopsies in 5 patients with histologically normal gastric mucosa (20 specimens) and by radical gastrectomies in 9 cases of human gastric cancer (36 specimens).
  • (6) That's why the big dreams have come from the smaller candidates such as the radical left's Jean-Luc Mélenchon.
  • (7) Residual cancer was found in the radical prostatectomy specimen in 11 of the 29 stage-A1 patients (38%) and in 66 of the 86 stage-A2 patients (77%).
  • (8) This may be due to DMSO's ability to scavenge free radicals.
  • (9) A more radical surgery is recommended but with the limitation that the operative method must be adapted to the operative finding.
  • (10) The present study explored the possibility that SOD-mimics such as desferrioxamine-Mn(III) chelate [DF-Mn] or cyclic nitroxide stable free radicals could protect from O2-.-independent damage.
  • (11) Treatment modalities included: partial temporal bone resection, subtotal temporal bone resection, total temporal bone resection, radical mastoidectomy followed by radiation therapy, radiation therapy alone, and chemotherapy.
  • (12) Leaders of Tory local government are preparing radical proposals for minimum 10% cuts in public spending in the search for savings.
  • (13) Plays like The Workhouse Donkey (1963) and Armstrong's Last Goodnight (1964) were staged in major theatres, but as the decade progressed so his identification with the increasingly radical climate of the times began to lead away from the mainstream theatre.
  • (14) 78% of the recurrences were seen two years postoperatively and 27% were asymptomatic; 10% underwent radical operation, 27% palliative operation and 63% conservative treatment.
  • (15) The kinetics of bimolecular decay of alpha-tocopheroxyl free radicals (T) was studied by ESR mainly in ethanol and heptanol solvents.
  • (16) 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.
  • (17) NPR reported that investigators have not found telltale signs associated with Islamist radicalization , such as a change in mosques or abrupt shifts in behavior or family associations.
  • (18) The second triplet, which was stable in the dark at 4.2 K following illumination, was assigned to the radical pair Donor+I-.
  • (19) It may be due to relative nonreactivity of ascorbic acid free radical that free radical chain reactions, found commonly in radical chemistry, do not occur in the scavenging reaction by ascorbic acid.
  • (20) The free radical scavengers mannitol, thiourea, benzoate, and 4-methylmercapto-2-oxobutyrate protected either native cells exposed to H2O2 or pretreated hepatocytes exposed to H2O2 and given ferric or ferrous iron.

Words possibly related to "radical"