Compound microscope

Compound microscope
Compound Com"pound, a. [OE. compouned, p. p. of compounen. See {Compound}, v. t.] Composed of two or more elements, ingredients, parts; produced by the union of several ingredients, parts, or things; composite; as, a compound word. [1913 Webster]

Compound substances are made up of two or more simple substances. --I. Watts. [1913 Webster]

{Compound addition}, {subtraction}, {multiplication}, {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. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • Compound microscope — Microscope Mi cro*scope, n. [Micro + scope.] 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}. [1913 Webster] {Compound… …   The Collaborative International Dictionary of English

  • compound microscope — n. a microscope having an objective lens for forming an intermediate image and an eyepiece for viewing that image …   English World dictionary

  • Compound microscope — A microscope (an optical instrument that augments the power of the eye to see small objects) which consists of two microscopes in series, the first serving as the ocular lens (close to the eye) and the second serving as the objective lens (close… …   Medical dictionary

  • compound microscope — noun light microscope that has two converging lens systems: the objective and the eyepiece • Hypernyms: ↑light microscope • Part Meronyms: ↑objective, ↑objective lens, ↑object lens, ↑object glass * * * noun : a microscop …   Useful english dictionary

  • compound microscope — noun Date: circa 1859 a microscope consisting of an objective and an eyepiece mounted in a drawtube …   New Collegiate Dictionary

  • compound microscope — an optical instrument for forming magnified images of small objects, consisting of an objective lens with a very short focal length and an eyepiece with a longer focal length, both lenses mounted in the same tube. See illus. under microscope.… …   Universalium

  • compound microscope — noun A microscope with more than one lens …   Wiktionary

  • compound microscope — Hans and Zacharias Janssen …   Inventors, Inventions

  • compound microscope — com′pound mi′croscope n. opt an optical instrument for forming magnified images of small objects, consisting of an objective lens with a very short focal length and an eyepiece with a longer focal length, both lenses mounted in the same tube …   From formal English to slang

  • Compound — Com pound, a. [OE. compouned, p. p. of compounen. See {Compound}, v. t.] Composed of two or more elements, ingredients, parts; produced by the union of several ingredients, parts, or things; composite; as, a compound word. [1913 Webster] Compound …   The Collaborative International Dictionary of English

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