What's the difference between propeller and shaft?

Propeller


Definition:

  • (n.) One who, or that which, propels.
  • (n.) A contrivance for propelling a steam vessel, usually consisting of a screw placed in the stern under water, and made to revolve by an engine; a propeller wheel.
  • (n.) A steamboat thus propelled; a screw steamer.

Example Sentences:

  • (1) The Stratolauncher won’t be fully operational for several years, and it may take decades before anyone designs a system that can propel man-made objects through space fast enough to reach a star over a human being’s lifespan, if it happens at all.
  • (2) Last September, propelled by the success of the Irish referendum and the US supreme court decision, the idea that Australian parliamentarians should, as a matter of conscience, reconsider marriage equality was gathering powerful force.
  • (3) Carpeting of the type commonly used in hospitals imposed a burden upon normal and patient wheelchair users propelling a wheelchair as reflected in increased energy cost per unit of distance traveled.
  • (4) They said US forces had found a "daisy chain"– a long bomb rigged up from mortars, rocket-propelled grenades and a motorbike.
  • (5) Some of the main protesters who have propelled the organization movement forward, particularly Deray McKesson , Netta Elzie and Stephen Houldsworth , have expressed no interest in backing down tonight.
  • (6) District head Baba Abba Hassan said most victims are children, women and elderly people who could not run fast enough when insurgents drove into Baga, firing rocket-propelled grenades and assault rifles on town residents.
  • (7) The video filmed by a witness , which propelled the case into the global spotlight, showed Scott was running away with his back turned when Slager, then an officer with the North Charleston police department, opened fire.
  • (8) Right now most are in for small repairs, propellers that sort of thing.
  • (9) The Texas senator Ted Cruz says the rise of Donald Trump makes him “very optimistic” the next occupant of the White House will be a conservative – perhaps himself – propelled there by the “volcanic rage” of voters.
  • (10) Beating and coordination of these short cilia were compared with those of cilia propelling water.
  • (11) His pioneering efforts helped propel Barbados to a leader in solar water heater use in the western hemisphere.
  • (12) Second, if two self-propelled objects are related in a special way--a relation called the BDR sequence--the infant perceives not only intentional movement but also one object as having the goal of affecting the other object.
  • (13) Wednesday’s attack during dawn prayers is the first attack on Maiduguri since 28 December, when Boko Haram killed at least 50 people in an operation involving rocket-propelled grenades and multiple suicide bombers.
  • (14) He careered at Pedro Obiang, propelled by a frightening intent, and the midfielder was forced to flatten the Frenchman but Mike Jones adjudged the offence to have taken place outside the area.
  • (15) Allergic contact eczema from the use of deodorant sprays is sometimes caused by sensitization to the propellants.
  • (16) Interestingly, the thymine.adenine pair favours negative buckling for propellers mostly observed in DNA crystals while positive buckling is preferred by the cytosine.guanine pair.
  • (17) Republican guards used anti-aircraft guns, automatic weapons and rocket-propelled grenades against the opposition camp and intensified the shelling of the streets surrounding the square.
  • (18) Bill Shorten pushes integrity inquiry but says political corruption isn't widespread Read more If politics is about people, and about connections, Shorten’s challenge for 2017 is not only validating the concerns of voters angry enough to propel Donald Trump to the White House, to Brexit and to vote for Pauline Hanson – but to persuade them to make a durable connection with him.
  • (19) He begins describing the crumbling wall of mud that enveloped him, the image of his young daughter propelling him to fight to the surface and take his first breath of air.
  • (20) Lloyd scored three times in just 16 minutes to propel the Americans to a 5-2 win and their first World Cup in 16 years, their third overall.

Shaft


Definition:

  • (n.) The slender, smooth stem of an arrow; hence, an arrow.
  • (n.) The long handle of a spear or similar weapon; hence, the weapon itself; (Fig.) anything regarded as a shaft to be thrown or darted; as, shafts of light.
  • (n.) That which resembles in some degree the stem or handle of an arrow or a spear; a long, slender part, especially when cylindrical.
  • (n.) The trunk, stem, or stalk of a plant.
  • (n.) The stem or midrib of a feather.
  • (n.) The pole, or tongue, of a vehicle; also, a thill.
  • (n.) The part of a candlestick which supports its branches.
  • (n.) The handle or helve of certain tools, instruments, etc., as a hammer, a whip, etc.
  • (n.) A pole, especially a Maypole.
  • (n.) The body of a column; the cylindrical pillar between the capital and base (see Illust. of Column). Also, the part of a chimney above the roof. Also, the spire of a steeple.
  • (n.) A column, an obelisk, or other spire-shaped or columnar monument.
  • (n.) A rod at the end of a heddle.
  • (n.) A solid or hollow cylinder or bar, having one or more journals on which it rests and revolves, and intended to carry one or more wheels or other revolving parts and to transmit power or motion; as, the shaft of a steam engine.
  • (n.) A humming bird (Thaumastura cora) having two of the tail feathers next to the middle ones very long in the male; -- called also cora humming bird.
  • (n.) A well-like excavation in the earth, perpendicular or nearly so, made for reaching and raising ore, for raising water, etc.
  • (n.) A long passage for the admission or outlet of air; an air shaft.
  • (n.) The chamber of a blast furnace.

Example Sentences:

  • (1) By means of computed tomography (CT) values related to bone density and mass were assessed in the femoral head, neck, trochanter, shaft, and condyles.
  • (2) In contrast, the ryanodine receptor is observed in dendritic shafts, but not in the spines.
  • (3) Five cases of mycetoma of bone involving patella, shaft of tibia, medial malleolus, calcaneum and phalanx of great toe are presented.
  • (4) Since 1984, 16 children (mean age 10.3 years) have had stabilization of their femoral shaft fractures by external fixation (Monofixateur) in the Trauma Department of the Hannover Medical School.
  • (5) The fractures were localized as follows: 7 in the proximal, 7 in the middle, 1 in the distal third of the shaft, 5 subtrochanteric, 1 supracondylar.
  • (6) Normal neck-shaft angle accounted to 53.1% in the traction group.
  • (7) Operative treatment was used 22 times (5 sesamoid fractures, 5 midtibial fractures, 5 metatarsal V base fractures, 3 tarsal navicular fractures, 3 olecranon fractures, and 1 proximal tibial shaft fracture).
  • (8) Twenty-five patients with aseptic nonunion of the humeral shaft, treated by a combined therapeutic procedure, are reported.
  • (9) The tanycyte shafts extended from the floor of the fourth ventricle into the bundle, and often ran the entire length of the bundle, where they intertwined themselves among neurons and dendrites of the medullary raphe nuclei.
  • (10) We successfully applied it in the treatment of eight fractures of the shafts of the femur or tibia which would not unite because of infection, soft tissue interposition or gross incongruity of fragments.
  • (11) The tibial shafts of OVX rats compared to SHAM controls showed elevated periosteal mineral apposition rate and endocortical bone formation parameters.
  • (12) Mid-shaft sections of 100% silicone (Bardex) and hydrogel-coated latex (Biocath) catheters were subjected to controlled in vitro encrustation conditions for periods of up to 18 weeks.
  • (13) The filaments are tightly joined together along their shafts for about 30 nm but they separate at both ends for about 10 nm before contacting the external surface of the plasma membrane.
  • (14) In the original exchange, Scudamore warned Nick West, a City lawyer who works with the Premier League on broadcasting deals, to keep a female colleague they nicknamed Edna “off your shaft”.
  • (15) The sequential examination of the hair shaft allows an assessment of the chloroquine amount taken over time, the individual dosage, the initiation and termination of therapy.
  • (16) The long axis of the femoral shaft was, however, not shown to be a source of substantial error.
  • (17) In the good old days the judges looked the other way when radicals were shafted, shocking bail conditions imposed and foreigners unceremoniously thrown out.
  • (18) We therefore performed an investigation to find whether application of bone cement to the femur caused histamine release in elective hip surgery, and, independently of this, also investigated whether premedication with H1- + H2-antagonists had any effect on the cardiovascular reactions due to bone cement implantation into the femoral shaft in elderly patients with hip fracture.
  • (19) Of the 21 cement-free shaft implantations, 3 had to be replaced, the average age of these patients being 42.9 years.
  • (20) As compared to the mean values of normal gravity controls, centrifuged dogs showed no differences in femur length; cross-sectional area, outer and inner radii at mid-shaft of the femur; dry weights of the biceps femoris, quadriceps femoris, and gastrocnemius muscles.