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Glossary of Machining Terms
beginning with letter P
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packing Tweet Definition of packing Like Definition of packing on Facebook
  1. (present participle of, pack)
pallet Tweet Definition of pallet Like Definition of pallet on Facebook
palm Tweet Definition of palm Like Definition of palm on Facebook
  1. Any of various evergreen trees from the family Palmae or Arecaceae, which are mainly found in the tropics.
  2. The inner and somewhat concave part of the human hand that extends from the wrist to the bases of the fingers.
    • 1990 October 28, w:Paul Simon, Paul Simon, "Further to Fly", w:The Rhythm of the Saints, The Rhythm of the Saints, Warner Bros.
    • : The open of desire wants everything.
      1. The corresponding part of the forefoot of a lower mammal.
      2. A handheld computing device used to store personal data such as calendars and phone numbers.
  1. to hold or conceal something in the palm of the hand
  2. to hold something without bending the fingers significantly
  3. to move something laterally by static friction against the palm of the hand
part Tweet Definition of part Like Definition of part on Facebook
  1. A fraction of a whole; a component.
  2. A group inside a larger group.
  3. Position or role (especially in a play)
  4. 3.5 cl of one ingredient in a mixed drink
  5. (context, in plural, euphemism) male genitals.
  6. The dividing line formed by combing the hair in different directions
  7. (context, in plural, usually with "these", colloquial) vicinity, region
    • 1854, Lord Cockburn, Memoir of Thomas Thomson, Scotland Bannatyne Club, page 241:
    • : We intend being at Leamington before long, unless some change in the weather should make our stay in these parts more tolerable.
      1. duty; responsibility; obligation
      to do one"s
  1. To leave.
  2. To cut hair with a parting.
  3. (transitive) To divide in two.
to the curtains
  1. (intransitive) To be divided in two or separated.
  1. Fractional, partial.
Fred was owner of the car.
  1. Partly, partially, fractionally.
pass Tweet Definition of pass Like Definition of pass on Facebook
  1. An opening, road, or track, available for passing; especially, one through or over some dangerous or otherwise impracticable barrier; a passageway; a defile; a ford.
a mountain pass
:"Try not the pass!" the old man said. — Longfellow
  1. (fencing) A thrust or push; an attempt to stab or strike an adversary. (Shakespeare)
  2. A movement of the hand over or along anything; the manipulation of a mesmerist.
  3. (rolling metals) A single passage of a bar, rail, sheet, etc., between the rolls.
  4. The state of things; condition; predicament.
:Have his daughters brought him to this pass. — Shakespeare
:Matters have been brought to this pass. — South.
  1. Permission or license to pass, or to go and come.
A ship sailing under the flag and pass of an enemy. — Kent
  1. (baseball) An intentional walk
Smith was given a after Jones' double.
  1. A document granting permission to pass or to go and come; a passport; a ticket permitting free transit or admission; as, a railroad or theater pass; a military pass.
  2. (figurative) A thrust; a sally of wit. (Shakespeare)
  3. A sexual advance.
The man kicked his friend out of the house after he made a at his wife.
  1. (obsolete) Estimation; character.
:Common speech gives him a worthy pass. — Shakespeare
  1. (obsolete; Chaucer; compare passus) A part, a division.
  2. (rail transport) A passing of two trains in the same direction on a single track, when one is put into a siding to let the other overtake. (Antonym: a meet.)
  3. (sport) The act of moving the ball or puck from one player to another.
verb (pass, es)
  1. (defn, English)
(rfc-header, Intransitive)      
pawl Tweet Definition of pawl Like Definition of pawl on Facebook
  1. A pivoted catch designed to fall into a notch on a ratchet wheel so as to allow movement in only one direction (e.g. on a windlass or in a clock mechanism), or alternatively to move the wheel in one direction.
  • 1994: The nails in the rim of the wheel went ratcheting over the leather and the wheel slowed and came to a stop and the woman turned to the crowd and smiled. " Cormac McCarthy?, The Crossing
pile driver Tweet Definition of pile driver Like Definition of pile driver on Facebook
  1. A machine for forcing a pile, a long beam, into the ground as part of the construction of a foundation; usually by raise, raising a weight and then dropping it on the beam.
  1. forceful
    • The champ ended the boxing match with a blow to his opponent"s jaw.
pillow block Tweet Definition of pillow block Like Definition of pillow block on Facebook
  1. a metal block for supporting a rotating shaft; a bearing
piston Tweet Definition of piston Like Definition of piston on Facebook
  1. A solid disk or cylinder that fits inside a hollow cylinder, and moves under pressure (as in an engine) or displaces fluid (as in a pump)
  2. (music) A valve device in some brass instruments for changing the pitch
pitman Tweet Definition of pitman Like Definition of pitman on Facebook
  1. One who works in a pit, as in mining, in sawing timber, etc.
pivot Tweet Definition of pivot Like Definition of pivot on Facebook
  1. A is that on which something turns; specifically a metal pointed pin or short shaft in machinery, such as the end of an axle or spindle.
  2. Act of turning on one foot.
verb (pivots, pivoting, pivoted, pivoted)
  1. (intransitive) To turn on an exact spot.
planetary Tweet Definition of planetary Like Definition of planetary on Facebook
  1. (astronomy) of, or relating to planets, or the orbital motion of planets
  2. of, or relating to the earth; terrestrial
  3. of, or relating to the whole earth; global
  4. (context, of a gear train) epicyclic
planometer Tweet Definition of planometer Like Definition of planometer on Facebook
  1. A flat, metal plate used for estimating the flatness of a machined part; a surface plate
plunger Tweet Definition of plunger Like Definition of plunger on Facebook
noun s (used for removing blockages).]]
  1. A device that is used to remove blockages from a toilet or sink by suction.
  2. The remote sliding activator of an explosive device.
  3. The part of a cafetière that is pushed down to remove grounds from coffee.
  4. One who plunges.
poppet Tweet Definition of poppet Like Definition of poppet on Facebook
  1. (informal) An endearingly sweet or beautiful child.
  2. (informal) A young woman or girl.
Come "ere !
  1. The stem and valve head in a poppet valve.
port Tweet Definition of port Like Definition of port on Facebook
  1. A place on the coast at which ships can shelter, or dock to load and unload cargo or passengers.
  2. A town or city containing such a place.
  3. (nautical) (uncountable) The left-hand side of a vessel when one is facing the front.
  1. (obsolete) To carry, bear, or transport.
  2. (military) To hold a weapon with both hands diagonally across the body
  3. To transfer from one state to another.
  4. (computing) To adapt a program so that it works on a different platform.
  1. (nautical) Of or relating to port, the left-hand side of a vessel.
on the port side
positive Tweet Definition of positive Like Definition of positive on Facebook
  1. A thing capable of being affirmed; something real or actual.
  2. A favourable point or characteristic.
  3. Something having a value in physics, such as an electric charge.
  4. (grammar) An adjective or adverb in the degree.
  5. (context, photography) A image; one that displays true colors and shades, as opposed to a negative.
  1. Definitively laid down; explicitly stated; clearly expressed, precise, emphatic.
    • Bacon:
    • : Positive words, that he would not bear arms against King Edward"s son.
      1. Fully assured, confident; certain.
      I"m absolutely you've spelt that wrong.
      1. Overconfident, dogmatic.
    • Pope:
    • : Some , persisting fops we know, That, if once wrong, will needs be always so.
      1. (grammar) Describing the primary sense of an adjective or adverb; not comparative or superlative.
      "Better" is an irregular comparative of the form "good".
      1. Derived from an object by itself; not dependent on changing circumstances or relations; absolute.
      The idea of beauty is not , but depends on the different tastes of individuals.
      1. Wholly what is expressed; colloquially downright, entire, outright.
      Good lord, you've built up a arsenal of weaponry here.
      1. Characterised by the existence or presence of qualities or features, rather than by their absence.
      The box was not empty " I felt some substance within it.
      1. Characterised by the presence of features which support a hypothesis.
      The results of our experiment are .
      1. Characterised by affirmation, constructiveness, or influence for the better; favourable.
      He has a outlook on life.
      The first-night reviews were largely .
    • Swift:
    • : a voice in legislation.
      1. (context, chiefly, philosophy) actual, Actual, real, concrete.
    • Bacon:
    • : Positive good.
      1. (photography) Of a visual image, true to the original in light, shade and colour values.
      A photograph can be developed from a photographic negative.
      1. (physics) Having more protons than electrons.
      A cation is a positive ion as it has more protons than electrons.
      1. (slang) HIV positive.
power supply Tweet Definition of power supply Like Definition of power supply on Facebook
noun (plural power supplies)
  1. A source of power such as the mains or a generator.
  2. That part of a piece of electronic apparatus that provides appropriate voltages for the rest of the electronics from the connected AC source.
press Tweet Definition of press Like Definition of press on Facebook
  1. A device used to apply pressure to an item.
...a flower .
  1. A collective term for the print based media (both the people and the newspapers)
This article appeared in the .
...according to a member of the ...
  1. An enclosed storage space (eg closet, cupboard).
Put the cups in the .
  1. General term for a printing machine.
Stop the presses!
  1. (weightlifting) An exercise in which weight is forced away from the body by extension of the arms or legs.
verb (press, es)
  1. To apply pressure to an item.
Press any key
  1. (with "gone"): To indicate that a story is being printed.
That story has gone to . (rfv, In the sentence "That story has gone to press", is not "press" a noun? --User:Daniel Polansky, Daniel Polansky 09:09, 11 November 2007 (UTC))
production Tweet Definition of production Like Definition of production on Facebook
  1. the act of produce, producing
The widget making machine is being used for now.
  1. the act of being produced
The widgets are coming out of now.
  1. the total amount produced
They hope to increase spaghetti next year.
  1. the presentation of a theatrical work
We went to a of Hamlet.
  1. an occasion or activity made more complicated than necessary
He made a simple meal into a huge .
  1. that which is manufactured or is ready for manufacturing in volume (as opposed to a prototype or conceptual model)
This is the final model.
pulley Tweet Definition of pulley Like Definition of pulley on Facebook
  1. One of the simple machines; a wheel with a grooved rim in which a pulled rope or chain will lift an object (more useful when two or more pulleys are used together such that a small force moving through a greater distance can exert a larger force through a smaller distance).
punch Tweet Definition of punch Like Definition of punch on Facebook
noun (punches, -)
  1. (countable) A hit or strike with one's fist.
  2. (countable) A device, generally slender and round, used for creating holes in thin material, for driving an object through a hole in a containing object, or to stamp or emboss a mark or design on a surface.
  3. (countable) A mechanism for punching holes in paper or other thin material.
  4. (countable) A hole or opening created with a punch.
  5. (uncountable) A beverage, generally containing a mixture of fruit juice and some other beverage, often alcoholic.
  6. (uncountable) power, Power; impact; strength; oomph.
verb to punch (third-person singular simple present punches, present participle punching, simple past punched, past participle punched)
  1. To strike something or someone with one's fist.
  2. To employ a punch to create a hole in or stamp or emboss a mark on something.
  3. To accelerate.

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