What's the difference between calk and projection?

Calk


Definition:

  • (v. t.) To drive tarred oakum into the seams between the planks of (a ship, boat, etc.), to prevent leaking. The calking is completed by smearing the seams with melted pitch.
  • (v. t.) To make an indentation in the edge of a metal plate, as along a seam in a steam boiler or an iron ship, to force the edge of the upper plate hard against the lower and so fill the crevice.
  • (v. t.) To copy, as a drawing, by rubbing the back of it with red or black chalk, and then passing a blunt style or needle over the lines, so as to leave a tracing on the paper or other thing against which it is laid or held.
  • (n.) A sharp-pointed piece of iron or steel projecting downward on the shoe of a horse or an ox, to prevent the animal from slipping; -- called also calker, calkin.
  • (n.) An instrument with sharp points, worn on the sole of a shoe or boot, to prevent slipping.
  • (v. i.) To furnish with calks, to prevent slipping on ice; as, to calk the shoes of a horse or an ox.
  • (v. i.) To wound with a calk; as when a horse injures a leg or a foot with a calk on one of the other feet.

Example Sentences:

  • (1) Three case reports are given where the horses were shoed with full bar shoes with clips and high calks, and were given two months rest in a box.

Projection


Definition:

  • (n.) The act of throwing or shooting forward.
  • (n.) A jutting out; also, a part jutting out, as of a building; an extension beyond something else.
  • (n.) The act of scheming or planning; also, that which is planned; contrivance; design; plan.
  • (n.) The representation of something; delineation; plan; especially, the representation of any object on a perspective plane, or such a delineation as would result were the chief points of the object thrown forward upon the plane, each in the direction of a line drawn through it from a given point of sight, or central point; as, the projection of a sphere. The several kinds of projection differ according to the assumed point of sight and plane of projection in each.
  • (n.) Any method of representing the surface of the earth upon a plane.

Example Sentences:

  • (1) The omission of Crossrail 2 from the Conservative manifesto , in which other infrastructure projects were listed, was the clearest sign yet that there is little appetite in a Theresa May government for another London-based scheme.
  • (2) Recent data collected by the Games Outcomes Project and shared on the website Gamasutra backs up the view that crunch compounds these problems rather than solving them.
  • (3) Another interested party, the University of Miami, had been in talks with the Beckham group over the potential for a shared stadium project.
  • (4) But when they decided to get married, "finding the clothes became my project," says Melanie.
  • (5) The idea that 80% of an engineer's time is spent on the day job and 20% pursuing a personal project is a mathematician's solution to innovation, Brin says.
  • (6) The country has no offshore wind farms, though a number of projects are in the research phase to determine their profitability.
  • (7) Results in May 89 emphasizes: the relevance and urgency of the prevention of AIDS in secondary schools; the importance of the institutional aspect for the continuity of the project; the involvement of the pupils and the trainers for the processus; the feasibility of an intervention using only local resources.
  • (8) Projection obliquity resulted in consistent underestimation of DPR angle.
  • (9) Project grants to selected State and local agencies amounted to about $.8 billion.
  • (10) Thus, our results indicate that calbindin-D28k is a useful marker for the projection system from the matrix compartment and that its expression is modified in patients with progressive supranuclear palsy and striatal degeneration.
  • (11) Transmission electron microscopy demonstrated that these blebs were devoid of organelles and microvilli; scanning electron microscopy revealed that the blebs were highly wrinkled and more numerous than were the projections observed in tissue from animals treated with testosterone alone, or in tissue from unoperated controls.
  • (12) But not only did it post a larger loss than expected, Amazon also projected 7% to 18% revenue growth over the busiest shopping period of the year, a far cry from the 20%-plus pace that had convinced investors to overlook its persistent lack of profit in the past.
  • (13) The high participation percentage also shows that the prerequisite of screening, namely, a positive attitude on the part of the population, was as well fulfilled in the present project.
  • (14) The present study was done in order to document the ability of the eighth cranial nerve of the bullfrog (Rana catesbeiana) to regenerate, the anatomic characteristics of the regenerated fibers, and the specificity of projections from individual endorgan branches of the nerve.
  • (15) 14 rats were studied for the nigro-reticular projection.
  • (16) The Pakistan government, led as usual by a general, was anxious to project the army's role as bringers of order to a country that was sliding quickly towards civil war.
  • (17) The axons of A5, RPoOl and RaD neurons exhibit no lateral predominance in their spinal projections.
  • (18) While the heaviest anterogradely labeled ascending projections were observed to the contralateral ventral posterolateral nucleus of the thalamus, pars oralis (VPLo), efferent projections were also observed to the contralateral ventrolateral thalamic nucleus (VLc) and central lateral (CL) nucleus of the thalamic intralaminar complex, magnocellular (and to a lesser extent parvicellular) red nucleus, nucleus of Darkschewitsch, zona incerta, nucleus of the posterior commissure, lateral intermediate layer and deep layer of the superior colliculus, dorsolateral periaqueductal gray, contralateral nucleus reticularis tegmenti pontis and basilar pontine nuclei (especially dorsal and peduncular), and dorsal (DAO) and medial (MAO) accessory olivary nuclei, ipsilateral lateral (external) cuneate nucleus (LCN) and lateral reticular nucleus (LRN), and to a lesser extent the caudal medial vestibular nucleus (MVN) and caudal nucleus prepositus hypoglossi (NPH), and dorsal medullary raphe.
  • (19) It was an artwork that fired the imaginations of 2 million visitors who played with, were provoked by and plunged themselves into the curious atmosphere of The Weather Project , with its swirling mist and gigantic mirrors that covered the hall's ceiling.
  • (20) In addition to terminating at the brachial segments, they had one to three collaterals to the upper cervical cord (C3-C4), where the propriospinal neurons projecting to forelimb motoneurons are located.