What's the difference between barricade and barrier?

Barricade


Definition:

  • (n.) A fortification, made in haste, of trees, earth, palisades, wagons, or anything that will obstruct the progress or attack of an enemy. It is usually an obstruction formed in streets to block an enemy's access.
  • (n.) Any bar, obstruction, or means of defense.
  • (n.) To fortify or close with a barricade or with barricades; to stop up, as a passage; to obstruct; as, the workmen barricaded the streets of Paris.

Example Sentences:

  • (1) Palestinians barricaded themselves inside al-Aqsa, throwing stones and fireworks at police entering the compound.
  • (2) The authorities had vacated the area, leaving barricades and piles of rubble in place.
  • (3) Student protesters in Berkeley and Columbia cheered their TV sets as footage from the Paris barricades made the American news in May, while French students took heart from images of the huge anti-war demonstrations now occurring across Europe and America.
  • (4) To the amazement of the CRS the students regrouped and fought back, overturning cars, building barricades and digging up cobblestones to use as ammunition.
  • (5) It's very reminiscent of a similar death almost a year ago, when a "middle-aged trade unionist" collapsed and died during a protest ( details ) Updated at 1.42pm BST 1.31pm BST 30,000 join Athens protests Reuters reckons that more than 30,000 people took part in today's demonstrations in Athens, and that the trouble began when "a small group of protesters" began throwing marble, bottles and petrol bombs at the ropt police who were "barricading part of the square".
  • (6) Facebook Twitter Pinterest Standing Rock Sioux siblings Austin, Mani, and PJ, stand in front of a police-guarded barricade.
  • (7) He says they dragged him about 40 metres towards a fire that was still smouldering on the street, the remains of a protesters' barricade.
  • (8) The bridge has been barricaded for several weeks, blocking the most direct route to Bismarck, North Dakota, and raising safety concerns among residents of the camp and the reservation.
  • (9) Alec is tweeting from the scene, where "Locals throw rocks at troops, soldiers fire in air ": Locals are holding Russian flag, Molotov cocktails outside Kramatorsk airfield, which has been taken by Ukrainian forces A few young men in masks just arrived at Kramatorsk airfield, reportedly under control of Ukrainian forces now Locals have set up a barricade outside Kramatorsk airfield.
  • (10) Within minutes of the verdict, young men were pulling barricades on to Tahrir Square.
  • (11) I will man the barricades for the BBC, they have been good to me, but they have a tendency when accused of a crime just to hand themselves into the police station.
  • (12) Activists had planned to use vehicles as barricades to shut down border crossings at 17 locations in four states – Arizona, California, New Mexico and Texas.
  • (13) Police barricaded off the car park near it, forcing anyone attending to walk more than 200m down to the reserve.
  • (14) Demonstrators appeared to storm the short tunnel in reaction to police attempts over the past two days to chip away at barricades on the edges of the sprawling protest zone.
  • (15) In a running confrontation, both sides threw molotov cocktails, one of which set alight a makeshift barricade in the foyer.
  • (16) The demonstrators’ numbers have diminished as many of them returned to work on Monday after a national holiday, but the protest zones remain barricaded, causing traffic jams and angering scores of business owners.
  • (17) Police erected a barbed wire barricade between the two groups after they faced off and sang rival anthems outside the heavily guarded magistrates court in Ventersdorp, North-West province.
  • (18) He said: Our activists were sitting there all night calmly, building the barricades.
  • (19) Police have chipped away at the protest zones in three areas across the city by removing barricades from around the edges.
  • (20) According to Dieter Rucht of the Social Science Research Centre in Berlin: "This is driving people to the barricades who don't normally go out on to the streets."

Barrier


Definition:

  • (n.) A carpentry obstruction, stockade, or other obstacle made in a passage in order to stop an enemy.
  • (n.) A fortress or fortified town, on the frontier of a country, commanding an avenue of approach.
  • (n.) A fence or railing to mark the limits of a place, or to keep back a crowd.
  • (n.) An any obstruction; anything which hinders approach or attack.
  • (n.) Any limit or boundary; a line of separation.

Example Sentences:

  • (1) Here we have asked whether protection from blood-borne antigens afforded by the blood-brain barrier is related to the lack of MHC expression.
  • (2) We conclude that chloramphenicol resistance encoded by Tn1696 is due to a permeability barrier and hypothesize that the gene from P. aeruginosa may share a common ancestral origin with these genes from other gram-negative organisms.
  • (3) The findings clearly reveal that only the Sertoli-Sertoli junctional site forms a restrictive barrier.
  • (4) This suggests that a physiological mechanism exists which can increase the barrier pressure to gastrooesophageal reflux during periods of active secretion of the stomach, as occurs in digestion.
  • (5) Comparison of the 50% binding concentrations of the compounds for the various PBPs of the five strains with their antibacterial activity indicates that the different antibiotics are excluded to a greater or lesser degree by the outer membrane permeability barrier and that the exclusion is most pronounced in P. aeruginosa.
  • (6) Preservation of dopaminergic and H1 neurotransmission, probably within the blood barrier, is needed to allow the neuroendocrine transduction of cholinergic inputs, whereas the role of 5-HT neurotransmission remains uncertain.
  • (7) Their levels in urine are a useful indicator of the integrity of membrane barriers of the kidney glomerular capillary wall.
  • (8) The IgG index (formula: see text) corrects for the influence of serum protein abnormalities as well as a bloodbrain barrier damage and is, therefore, a better measure for the presence of an IgG elevation in CSF due to IgG synthesis, when compared with other IgG quotients commonly used.
  • (9) In the far east is the arid, depressed country leading down Hell’s Canyon, which bottoms out at the Snake River, which the wolves crossed when they moved from Idaho, and which they now treat more as a crosswalk than a barrier.
  • (10) No signs of the blood-brain barrier disruption were observed.
  • (11) Although no anatomical 'barrier' has been described, it has been suggested that the gel mucus and epithelial phospholipids are constituents.
  • (12) Despite their wide dispersion, Vmax and the stereological determinations correlated strongly at 2 mo of age, confirming that Vmax is a robust indicator of the surface area of the air-blood barrier.
  • (13) Developmental changes are delineated, with particular reference to recent work on the ovine blood-brain barrier.
  • (14) Features of barrier island physiography and ecology were studied relative to selective bait deployment and site biosecurity.
  • (15) This study sought to determine if and why barriers to the over-the-counter purchase of syringes in the St. Louis metropolitan area might exist, given that no ordinance prohibits such a sale there.
  • (16) It is suggested that the intercalated disc functioned as a barrier to the freezing process.
  • (17) To explain some of these results a theoretical model is presented to demonstrate that while short circuiting can block the passive ionic movement, it will cause an increase in the energy consumption of the system and introduce certain important changes in the ionic barriers and e.m.fs.
  • (18) Our results show that paramagnetic enhancement with T1-weighted imaging adds specificity and enables rapid assessment of abnormalities of the blood-brain barrier.
  • (19) A functional impairment of the amino acid transport systems at the level of the blood-brain barrier seems to play a crucial role in causing deleterious modifications of the synaptic neurotransmission in the central nervous system.
  • (20) There was a significant correlation between the lesion index and the PD reduction, although the integrity of the resting gastric mucosal barrier remained unaltered.