He then lost four ounces of blood, the serum of which was not so opake as that drawn before, but of a yellowish cast, as the serum of the blood usually appears.
Thus, in looking through an opake tube on a yellow wall, and closing my eye, without admitting any lateral light, the spectra were all at first yellow; but at length changed into blue.
The combination of the particles of light with opake bodies, and therefore with the choroide coat of the eye, is evinced from the heat, which is given out, as in other chemical combinations.
The pericranium and dura mater adhered firmly to the scull; in many places there was an opake whiteness of the tunica arachnoides.
The tunica arachnoidea was generally opake and very much thickened: the pia mater was loaded with blood, and the veins of that membrane were particularly enlarged.
There was a small quantity of water between the tunica arachnoidea and pia mater, and a number of opake spots on the former membrane.
That part of the opake body will be the most shaded, or lightest, which is nearest to the body that shades it, or gives it light.
The Surface of all opake Bodies participates of the Colour of the surrounding Objects.
When/ two lights strike upon an opake body, they can vary only in two ways; either they are equal in strength, or they are not.
Sometimes they will be greenish, while the lights are reddish, although this opake body be all over of one uniform colour.
It/ happens very often that the shadows of an opake body do not retain the same colour as the lights.
The/ superficies of any opake body participates of the colour of the transparent medium interposed between the eye and such body, in a greater or less degree, in proportion to the density of such medium and the space it occupies.
The outlines of opake bodies will be less apparent in proportion as those bodies are farther distant from the eye.
The surface of any opake body participates more or less of the colour of that body which gives it light, in proportion as the latter is more or less remote, or more or less strong.
When an opake body is situated between the eye and the luminary, so that the central line of the one passes also through the centre of the other, that object will be entirely deprived of light.
In the West we will suppose another opake body of a colour different from the first, but receiving the same light.
Opake green Italian serpentine, or gabro of the Florentines 2.
The emerald, chrysolite, and garnet, are almost instantly melted into an opake and coloured glass.
Argill, or pure base of alum, is completely fusible per se into a very hard opake vitreous substance, which scratches glass like the precious stones.
For how opake soever that Substance may seem in the open Air, it will by that means appear very manifestly transparent, if it be of a sufficient thinness.
Wilson's conjectures, that these spots are openings in the luminous surface of the sun, through which his opake body appears.
Herschell thought to be real openings in his atmosphere, through which the opake body of the sun becomes visible.
This view also destroys the idea of the sun's being an opake and habitable globe, unless we could conceive the inhabitants capable of dwelling in "condensed light;" which supposition is at variance with all our ideas of rational existence.
Gregory, "is a dark, or opake body, shining principally with the light she receives from the sun.
Being opake in themselves, they become visible only by reflecting the light, which they receive from the sun.
They are opake bodies, but of a much greater density than the earth; for some of them are heated in every period to such a degree, as would vitrify or dissipate any substance known to us.
The planets are opake bodies, and nearly spherical.
Herschell's ideas of the sun's real body being opake and habitable, surrounded by phosphoric clouds which are the source of our solar light.
And other Instances there are, that oftentimes great quantities of Opake Matter are sustain'd in Fluids, without considerably striking the Eye, or being perceiv'd by it.
There are two ways of examining insects--either in the entire state as opake objects or the separate parts mounted as transparent objects.
The hooks and palpi can be seen by holding the body in the forceps as an opake object.
Another most useful piece of apparatus, for moving opake objects whilst under the microscope, in all directions, is Smith and Beck’s “rotating disk.
Dry opake objects were formerly mounted by gumming them upon small coin-shaped pieces or disks of cork, blackened upon the surface with a mixture of fine lamp-black and thin warm size, laid on with a hair-pencil.
They may be viewed either in the dry state as opake objects, or when immersed in water as transparent objects.
They should be viewed first as opake objects under a low power; and then sections should be made, or the textures separated with the mounted needles.
When opake objects are viewed, the mirror should be turned aside, so as not to reflect any light through the stage.
These are fine pincers, for holding minute bodies to be viewed as opake objects.
Delaval’s Experimental Inquiry into the Cause of the Changes of Colour in Opake and Coloured Bodies.
The pericranium and dura mater adhered firmly to the scull; in many places there was an opakewhiteness of the tunica arachnoidea.
But when as much moisture is added as can be perfectly dissolved, the air becomes transparent; and opake again, when a part of this moisture collects into small spherules previous to its precipitation.
In this urine the transparent sediment or cloud is mucous; the opake sediment is probably coagulable lymph from the blood changed by an animal or chemical process.
When this inflammation of the cornea suppurates, it is liable to leave little ulcers, which may be seen beneath the surface in the form of little excavations; and as these heal, they are liable to be covered with an opake scar.
Before, he was wrapped in anopake cloud, saw nothing distinctly, and struck this way and that at hazard like a blind man.
Who would ever have supposed that the same substance which converts transparent oil into such an opake body as soap, should transform that opake substance, sand, into transparent glass!
In the most transparent parts, the skin exhibits the bloom of the rose, whilst where it is more opake its own colour predominates; and at the joints, where the bones are most prominent, their whiteness is often discernible.
It is the union with the acid that produces the transparency; for if the pure metal were melted, and afterwards permitted to cool and crystallise, it would be found just as opake as before.
In porcelain it consists of enamel, which is a fine white opake glass, formed of metallic oxyds, sand, salts, and such other materials as are susceptible of vitrification.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "opake" in a variety of sentences. We hope that you will now be able to make sentences using this word.
