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Compound microscope   /kˈɑmpaʊnd mˈaɪkrəskˌoʊp/   Listen
noun
Microscope  n.  An optical instrument, consisting of a lens, or combination of lenses, for making an enlarged image of an object which is too minute to be viewed by the naked eye.
Compound microscope, an instrument consisting of a combination of lenses such that the image formed by the lens or set of lenses nearest the object (called the objective) is magnified by another lens called the ocular or eyepiece.
Oxyhydrogen microscope, and Solar microscope. See under Oxyhydrogen, and Solar.
Simple microscope, or Single microscope, a single convex lens used to magnify objects placed in its focus.


adjective
Compound  adj.  Composed of two or more elements, ingredients, parts; produced by the union of several ingredients, parts, or things; composite; as, a compound word. "Compound substances are made up of two or more simple substances."
Compound addition, Compound subtraction, Compound multiplication, Compound division (Arith.), the addition, subtraction, etc., of compound numbers.
Compound crystal (Crystallog.), a twin crystal, or one seeming to be made up of two or more crystals combined according to regular laws of composition.
Compound engine (Mech.), a form of steam engine in which the steam that has been used in a high-pressure cylinder is made to do further service in a larger low-pressure cylinder, sometimes in several larger cylinders, successively.
Compound ether. (Chem.) See under Ether.
Compound flower (Bot.), a flower head resembling a single flower, but really composed of several florets inclosed in a common calyxlike involucre, as the sunflower or dandelion.
Compound fraction. (Math.) See Fraction.
Compound fracture. See Fracture.
Compound householder, a householder who compounds or arranges with his landlord that his rates shall be included in his rents. (Eng.)
Compound interest. See Interest.
Compound larceny. (Law) See Larceny.
Compound leaf (Bot.), a leaf having two or more separate blades or leaflets on a common leafstalk.
Compound microscope. See Microscope.
Compound motion. See Motion.
Compound number (Math.), one constructed according to a varying scale of denomination; as, 3 cwt., 1 qr., 5 lb.; called also denominate number.
Compound pier (Arch.), a clustered column.
Compound quantity (Alg.), a quantity composed of two or more simple quantities or terms, connected by the sign + (plus) or - (minus). Thus, a + b - c, and bb - b, are compound quantities.
Compound radical. (Chem.) See Radical.
Compound ratio (Math.), the product of two or more ratios; thus ab:cd is a ratio compounded of the simple ratios a:c and b:d.
Compound rest (Mech.), the tool carriage of an engine lathe.
Compound screw (Mech.), a screw having on the same axis two or more screws with different pitch (a differential screw), or running in different directions (a right and left screw).
Compound time (Mus.), that in which two or more simple measures are combined in one; as, 6-8 time is the joining of two measures of 3-8 time.
Compound word, a word composed of two or more words; specifically, two or more words joined together by a hyphen.





Collaborative International Dictionary of English 0.48


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"Compound microscope" Quotes from Famous Books



... making out the outlines of a word or detecting the general arrangement of the fibres of the paper, so as to be able to state whether writing has been executed on certain parts of the document; and again, when we enter into the minutiae of the subject, we will find that the compound microscope will give us results not to be obtained by the ...
— The Arena - Volume 4, No. 23, October, 1891 • Various
... our eyes. When we first exposed it, it was living, active and capable of building the most complicated of plant structures; now it is dead, inert and impotent. If we examine the smallest portion of this doughy mass under a compound microscope we will find it not merely slime but a highly organized tissue made up of countless minute cells, each with a delicate wall about it and containing a thickish liquid (protoplasm). The cambium cells are brick-shaped, and are placed end to end, with ...
— Northern Nut Growers Association, Report of the Proceedings at the Fourth Annual Meeting - Washington D.C. November 18 and 19, 1913 • Various
... Microscope. To do thorough and satisfactory work in physiology in our higher schools a compound microscope is almost indispensable. Inasmuch as many of our best secondary schools are equipped with one or more microscopes for use in other studies, notably botany, it is much less difficult than it was a few years ago to obtain this important help for ...
— A Practical Physiology • Albert F. Blaisdell
... year Joseph Jackson Lister, an English amateur optician, contributed to the Royal Society the famous paper detailing his recent experiments with the compound microscope. Aided by Tully, a celebrated optician, Lister succeeded in making of the microscope a practical scientific implement rather than a toy. With the help of his own instrument Lister was able to settle the long mooted question as to the ...
— A History of the Nineteenth Century, Year by Year - Volume Two (of Three) • Edwin Emerson
... and chromatic aberrations, in short from all the obstacles over which the poor microscopist finds himself continually stumbling! I felt convinced that the simple microscope, composed of a single lens of such vast yet perfect power, was possible of construction. To attempt to bring the compound microscope up to such a pitch would have been commencing at the wrong end; this latter being simply a partially successful endeavor to remedy those very defects of the simple instrument, which, if conquered, would ...
— The Atlantic Monthly, Vol. I., No. 3, January 1858 - A Magazine of Literature, Art, and Politics • Various


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