《aeroplanes》

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aeroplanes- 第28部分


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cause from which a thing springs。



Proportion。 The relation that exists between different parts or

things。



Propounded。 Questioned; stated; to state formally for

consideration



Proprietary。 A right; the ownership of certain property。



Primitive。 The beginning or early times; long ago。



Prelude。 A statement or action which precedes the main feature

to be presented。



Proximity。 Close to; near at hand。



Prototype。 That which is used as the sample from; which something

is made or judged。



Propeller。 The piece of meebanism; with screw shaped blade;

designed to be rapidly rotated in order to drive a vessel

forwardly。 It is claimed by some that the word Impeller would be

the more proper term。



Primarily。 At the first; the commencement。



Precedes。 Goes ahead; forward of all。



Propulsive。 The force which gives motion to an object。



Projected。 Thrown forward; caused to fly through the air。



Radially。 Out from the center; projecting like the spokes of a

wheel。



Ratio。 The relation of degree; number; amount; one with another。



Reaction。 A counterforce; acting against。



Recognize。 To know; seeing; hearing; or feeling; and having

knowledge therefrom。



Reflection。 Considering; judging one thing by the examination of

another。 A beam of light; or an object; leaving a surface。



Refraction。 That peculiarity in a beam of light; which; in

passing through water at an angle; bends out of its course and

again assumes a direct line after passing through。



Reflex。 Turned back on itself; or in the direction from which it

came。



Requisite。 Enough; suffieient for all purposes。



Relegate。 To put back or away。



Rectangular。 Having one or more right angles。



Reservations。 Land which is held by the Government for various

purposes。



Resistance。 That which holds back; preventing movement。



Retarding。 Preventing a free movement。



Revoluble。 The turning or swinging motion of a body like the

earth in its movement around the sun。 See Rotative。 To cause to

move as in an orbit or circle。



Resilient。 Springy; having the quality of elasticity。



Reversed。 Changed about; turned front side to the rear。



Rotative。 That which turns; like a shaft。 The movement of the

earth on its axis is rotative。



Saturation。 Putting one substance into another until it will hold

no more。 For instance; adding salt to water until the water

cannot take up any more。



Security。 Safety; assuredness that there will be no danger。



Segment。 A part eut off from a circle。 Distinguished from a

sector; which might be likened to the form of one of the sections

of an orange。



Sexagonal。 Six…sided。



Sine of the Angle。 The line dropped from the highest point of an

 angle to the line which runs out horizontally。



Sinuous。 Wavelike; moving up and down like the waves of the

ocean。



Simulates。 To pattern or copy after; the making of the like。



Skipper。 A thin flat stone。



Spirally…formed。 Made like an auger; twisted。



Stability。 In airships that quality which holds the ship on an

even and unswerving course; and prevents plunging and side

motions。



Structural。 Belonging to the features of eonstruetion。



Strata。 Two or more layers; one over or below the other。



Stream line。 In expressing the action of moving air; or an

aeroplane transported through air; every part is acted upon by

the air。 Stream lines are imaginary lines which act upon the

planes at all points; and all in the same direction; or angle。



Stupendous。 Great; important; above the ordinary。



Substitute。 One taken for another; replacing one thing by

something else。



Supporting。 Giving aid; helping another。



Synchronous。 Acting at the same time; and to the same extent。

Thus if two wheels; separated from each other at great distances;

are so arranged that they turn at exactly the same speed; they

are said to turn synchronously。



Tactics。 The art of handling troops in the presence of an enemy。

It differs from strategy in the particular that the latter word

is used to explain the movements or arrangement of forces before

they arrive at the battle line。



Tandem。 One before the other; one after the other。



Tangent。 A line drawn from a circle at an angle; instead of

radially。



Technically。 Pertaining to some particular trade; science or art。



Tenuous。 Thin; slender; willowy; slight。



Tetrahedral。 This has reference to a form which is made up of a

multiplicity of triangularly shaped thin blades; so as to form

numerous cells; and thus make a large number of supporting

surfaces。 Used as a kite。



Theories。 Views based upon certain consideration。



Theoretical。 Where opinions are founded on certain information;

and expressed; not from the standpoint of actual knowledge; but

upon conclusions derived from such examinations。



Torsion。 A twist; a circular motion around a body。



Transmitted。 Sent out; conveyed from one point to another。



Transformed。 Changed; entirely made over from one thing to

another。



Transverse。 When a body is shorter from front to rear than from

side to side its longest dimension is transversely。

Distinguish from lateral; which has reference only to the

distance at right angles from the main body。



Translation。 The transportation of a body through the air。



Trajectory。 The path made by a body projected through the air。



Triangular。 A form or body having three sides and three angles。



Typical。 In the form of; a likeness to。



Ultimate。 The end; the finality; the last that can be said。



Uninitiated。 Not having full knowledge; withont information。



Unique。 Peculiar; something that on account of its peculiar

construction or arrangements stands out beyond the others。



Universal。 Everywhere; all over the world。



Undulate。 To move up and down; a wave…like motion。



Utility。 Of use; to take advantageous use of。



Unstable。 Not having anything permanent; in a ship in flight one

that will not ride on an even keel; and is liable to pitch about。



Vacuum。 Where air is partly taken away; or rendered rarer。



Valved。 A surface which has a multiplicity of openings with

valves therein; or; through which air can move in one direction。



Vaunted。 To boast concerning; to give a high opinion。



Velocity。 Speed; the rate at which an object can move from place

to place。



Vertical。 A line running directly to the center of the earth; a

line at right angles to the surface of water。



Vibratory。 Moving from side to side; a regular motion。



Volplane。 The glide of a machine without the use of power。



Warping。 The twist given to certain portions of planes; so as to

cause the air to aet against the warped portions。



Weight。 The measure of the force which gravity exerts on all

objects。











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