Definition of Apparatus

1. Noun. Equipment designed to serve a specific function.

2. Noun. (anatomy) a group of body parts that work together to perform a given function. "The breathing apparatus"
Generic synonyms: Body Part
Specialized synonyms: Auditory Apparatus
Category relationships: Anatomy, General Anatomy

Definition of Apparatus

1. n. Things provided as means to some end.

Definition of Apparatus

1. Noun. The entirety of means whereby a specific production is made existent or task accomplished. ¹

2. Noun. A complex machine or instrument. ¹

3. Noun. An assortment of tools or instruments. ¹

4. Noun. A bureaucratic organization, especially one influenced by political patronage. ¹

5. Noun. (firefighting) A vehicle used for emergency response. ¹

¹ Source:

Definition of Apparatus

1. [n -ES]

Medical Definition of Apparatus

1. Origin: L, from apparare, apparatum, to prepare; ad + prepare to make ready. 1. Things provided as means to some end. 2. Hence: A full collection or set of implements, or utensils, for a given duty, experimental or operative; any complex instrument or appliance, mechanical or chemical, for a specific action or operation; machinery; mechanism. 3. A collection of organs all of which unite in a common function; as, the respiratory apparatus. Source: Websters Dictionary (01 Mar 1998)

Apparatus Pictures

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Lexicographical Neighbors of Apparatus

apparatus (current term)
apparatus digestorius
apparatus hyoideus
apparatus lacrimalis
apparatus ligamentosus colli
apparatus ligamentosus weitbrechti
apparatus respiratorius
apparatus suspensorius lentis
apparel chain
apparel industry

Literary usage of Apparatus

Below you will find example usage of this term as found in modern and/or classical literature:

1. Convention by National Electric Light Association Convention, National Independent Meat Packers Association, University of Georgia College of Agriculture, University of Georgia Dept. of Food Science (1905)
"Mr. Skinner presented the following paper : INSULATION TESTING—apparatus AND METHODS Among the tests which are regularly made to determine the quality of a ..."

2. Monographic Medicine by William Robie Patten Emerson, Guido Guerrini, William Brown, Wendell Christopher Phillips, John Whitridge Williams, John Appleton Swett, Hans Günther, Mario Mariotti, Hugh Grant Rowell (1916)
"Forms of Respiration apparatus.—Two main types of respiration apparatus are in ... Respiration apparatus for Longer Periods of Study (24 hours or more) The ..."

3. Transactions by North of England Institute of Mining and Mechanical Engineers, Metallurgical Society of AIME. (1880)
"Mather and Platt's rope boring apparatus was first published. In 1856 Herr Werner invented a combination of the mechanism of Kind's and Fabian's ..."

4. Standard Methods of Chemical Analysis: A Manual of Analytical Methods and by Wilfred Welday Scott (1922)
"Collection apparatus for Bacteriological Samples 1447 173. ... Sampling apparatus for Deep Samples 1454 175. Bacteriological apparatus, Fermentation Tubes, ..."

5. Journal of the American Chemical Society by American Chemical Society (1912)
"When, however, the audience numbers several hundred, the apparatus is too small to ... To obviate this difficulty, the small apparatus illustrated in Figs, ..."

6. Science by American Association for the Advancement of Science (1922)
"A great deal of time tends to be wasted in keeping the apparatus in a ... The apparatus described here is very simple to set up and, excepting for the few ..."

7. The American Journal of Psychology by Granville Stanley Hall, Edward Bradford Titchener (1904)
"In the last number of this Journal I described some apparatus for demonstration and class ... The accompanying half-tone plate shows four large apparatus, ..."

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