What's the difference between drain and outfall?

Drain


Definition:

  • (v. t.) To draw off by degrees; to cause to flow gradually out or off; hence, to cause the exhaustion of.
  • (v. t.) To exhaust of liquid contents by drawing them off; to make gradually dry or empty; to remove surface water, as from streets, by gutters, etc.; to deprive of moisture; hence, to exhaust; to empty of wealth, resources, or the like; as, to drain a country of its specie.
  • (v. t.) To filter.
  • (v. i.) To flow gradually; as, the water of low ground drains off.
  • (v. i.) To become emptied of liquor by flowing or dropping; as, let the vessel stand and drain.
  • (n.) The act of draining, or of drawing off; gradual and continuous outflow or withdrawal; as, the drain of specie from a country.
  • (n.) That means of which anything is drained; a channel; a trench; a water course; a sewer; a sink.
  • (n.) The grain from the mashing tub; as, brewers' drains.

Example Sentences:

  • (1) In one of the cirrhotic patients, postmortem correlation of sonographic, angiographic, and pathological findings showed that the dilated vessels seen on sonography were cystic veins draining normally into the portal vein rather than portosystemic anastomoses.
  • (2) Intraperitoneal drain should therefore be used when choledochus has been explored.
  • (3) It is usually associated with a left superior caval vein draining into the coronary sinus and is frequently part of a complex congenital malformation of the heart.
  • (4) Ovarian venous concentrations of these four steroids from the side draining the tumor-bearing ovary were increased in 40 to 80% of the women.
  • (5) Radioactive lactic acid was detected in the drained perfusion solution with D(U-14C)-glucose, but not when D(U-14C)-fructose was used.
  • (6) Draining of thin films has thus a dehydrating effect as well as a sorting and ordering effect.
  • (7) Regarding ureters read as true positives on indirect study, if that ureter has ever shown reflux at any time, or if it drained a scarred kidney specificity was improved to 97% without changing the sensitivity.
  • (8) In tests on 13 cells pacing at a 200 mua drain without recharging, the simulated mean duration of pacing before total discharge was 4.8 years.
  • (9) An abscess of a lingual tonsil should be drained under general anesthesia, and lingual thyroid should be treated conservatively unless it produces obstructive symptoms.
  • (10) Among them 8 cases were coelio-drained for 24 hours with very little thin bloody drainage.
  • (11) Lymphocytes obtained from lymph nodes draining foot pads infected with R. conorii or R. akari demonstrated cross-reactivity similar to that found with immune spleen cells.
  • (12) The experiments show that the single cephalad channel venous island flap is perfused by and drains through its single cephalad vein.
  • (13) But it has a tainted reputation: the 2007 foot and mouth outbreak was traced to a leak from Pirbright’s drains.
  • (14) The well drained soils of the Suiá--Missu forest are very uniform, deep latosols (oxisols) of very dystrophic nature with pH (in water) between 4.0 and 5.0 (see table 2, p. 203).
  • (15) That would mark a controversial break from its existing policy, whereby the ECB offsets bond purchases by draining liquidity from the system in separate operations.
  • (16) In 13 growing pigs (mini-pigs) all veins draining the head of femur were ligated intra-abdominally.
  • (17) However, we demonstrate that topical exposure to DNTB causes activation of the draining lymph node in mice and the induction of contact sensitization in both rodents and a single human volunteer.
  • (18) The malformations over the surface drain into the superior sagittal sinus.
  • (19) Our current recommendation for initial treatment is excision of the primary tumor followed by irradiation with generous fields to include the primary tumor site and draining regional lymphatics to doses of 46-50 Gy in 2 Gy fractions.
  • (20) The region was perfused at constant flow through the aorta and drained at constant pressure from the inferior vena cava.

Outfall


Definition:

  • (n.) The mouth of a river; the lower end of a water course; the open end of a drain, culvert, etc., where the discharge occurs.
  • (n.) A quarrel; a falling out.

Example Sentences:

  • (1) Neither the stock cultures nor the aquatic strains were capable of growth in autoclaved river water taken above the sewage outfall at the three temperatures tested.
  • (2) Although the efficiency of the method was influenced by the composition and source of the sediments it was used successfully to detect viruses occurring in marine and freshwater sediments near sewer outfalls.
  • (3) Generally speaking, fluoridated water loss during use, dilution of sewage by rain and ground water infiltrate, fluoride removal during secondary sewage treatment, and diffusion dynamics at effluent outfall combine to eliminate fluoridation-related environmental effects.
  • (4) This study provides data for total and non-residual vanadium distributions in the northern Saronikos Gulf and shows that close to the Athens sewage outfall (ASO), the combined domestic and industrial wastes have resulted in a considerable increase in concentrations of vanadium in sediments and suspended solids.
  • (5) Animals near the Los Angeles County sewer outfall contain over 45 times as much tDDT as animals near major agricultural drainage areas.
  • (6) All bacterial indices, except for V. parahaemolyticus, declined significantly with distance from the outfall.
  • (7) Close proximity to sewage outfall was shown to result in significant decreases in AEC values within 24 hr.
  • (8) Sewage effluent and outfall confluence samples were collected at the Barceloneta Regional Treatment Plant in Barceloneta, Puerto Rico; outfall confluence samples at Ocean City, Md., were also collected.
  • (9) The presence of long-chain alkylbenzenes in sediment trap particulates and marine sediments collected near a major waste outfall system in southern California indicates that these hydrocarbons can survive exposure to an oxygenated water column during sedimentation.
  • (10) Vast amounts of these end up in the sea, through inadequate waste disposal systems and sewage outfall.
  • (11) Four new methane-oxidizing bacteria have been isolated from marine samples taken at the Hyperion sewage outfall, near Los Angeles, CA.
  • (12) Polluted water samples collected from the River Tigris in the vicinity of a raw sewage outfall were examined for the incidence of antibiotic resistance among coliform bacteria on three occasions during 1983.
  • (13) Below the outfall of one of the plants that discharges heavily chlorinated unnitrified effluent, NH4+-oxidizers amounted to approximately 200 X 10(5) per g of slime scraped from stream-bed rocks.
  • (14) Human enteric viruses in urban wastewater often flow into the marine environment through outfall sewers which can cause pollution of adjacent beaches used for bathing and of areas where fish and seafood grow and are harvested for human consumption.
  • (15) The Manus islanders have a strong tradition of fishing and a dependency on this resource … This is an area of highly diverse reefs that are seriously threatened from dynamite fishing and by phosphate mining on seabird islands as well as sewage outfalls.” [243] It goes on to note that it was a “high-level risk” that wastewater from the site would be released into the marine environment.
  • (16) The contamination of the river resulted from an incorrect sewage connexion with a surface water drain outfall into the river.
  • (17) No differences in growth, measured as wet weight gain, were observed between upstream control (UP) and experimental fish located 9 km downstream from the outfall (Down 4).
  • (18) In this study the seedling of a variety of plants were successfully grown hydroponically on raw wastewater obtained from one of the main sewer outfalls in Beirut.
  • (19) No viruses were detected near the outfall nor in the bathing area.
  • (20) Virological examination of water of the Baltic Sea in the neighbourhood of a sewage outfall was done.