Its general integral represents a system of straight lines.
When we define a curved line as one which is neither straight nor composed of straight lines, we enunciate two negations which can lead to no result, and which have no connection with the peculiar nature of the curved line.
In working out the theory of diffraction it is possible to state exactly in what sense light may be said to travel in straight lines.
It explained the propagation in straight lines, but it could assign no cause for the equality of the speed of propagation of all rays.
Were it not for this force the projectiles could be fired in straight lines.
As is well known, cannon shots do not go in straight lines.
Many-sided polygon or approximate circle enveloped by straight lines, as for instance by a number of equilateral triangles.
Even when the thing concerned is radiant in straight lines, like light, the law of inverse squares is not universally true.
In a slow, measured, regularly cadenced pace, the horse should be ridden in the gallop on straight lines and on circles, the rider being careful that the horse is in the true gallop on the turns.
In the walk the rider will proceed in straight lines, in circles and curves of varying diameters, and in turns to either hand.
On this assemblage of straight lines we place repeated layers of others, without troubling about similarity of position, thus obtaining a sort of ragged fascine, whose sticks project on every side.
It became still more interesting when, after the angularities of a combination of straight lines, I learnt to portray the graces of a curve.
I say nearly a square, because it does not in the least matter whether it is quite square or not, the object being merely to get a space inclosed by straight lines.
In general, when not too rigid, straight lines in interior decoration stand for repose, sobriety and dignity.
And it is usually possible to redeem too straight and rigid an appearance in furniture by relieving long, straight lines (as in tables) by carved ornamentation and the application of curved lines on a secondary plane, i.
Contrast to stiff, straight lines is afforded by the use of the curved line in decoration, which offers soft, rich and lovely effects.
The lines sent forth by the image of an object to the eye do not reach the point within the eye in straight lines.
And this results from the fact that rays of light can only act in straight lines; and the same is the case with the secondary or reflected rays.
Parallels of latitude, therefore, though B might call them parallels, would not invalidate Helmholtz's contention, which applies only to straight lines.
Great circles he would call straight, and this fact seems to have misled Lotze into thinking all circles were to be treated as straight lines.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "straight lines" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
