diagramとは

意味・読み方・使い方

別の表記

• diagramme (古風な用法)

語源

From French diagramme, from Italian diagramma, from Ancient Greek διάγραμμα (diágramma)

発音

• (英国発音, 米国発音) IPA^(key): /ˈdaɪ.ə.ɡɹæm/, /ˈdaɪ.ɡɹæm/

名詞

diagram (複数形 diagrams)

1. A plan, drawing, sketch or outline to show how something works, or show the relationships between the parts of a whole.
   • 2012 March 1, Brian Hayes, “Pixels or Perish”, in American Scientist‎^[1], volume 100, number 2, page 106:

     Drawings and pictures are more than mere ornaments in scientific discourse. Blackboard sketches, geological maps, diagrams of molecular structure, astronomical photographs, MRI images, the many varieties of statistical charts and graphs: These pictorial devices are indispensable tools for presenting evidence, for explaining a theory, for telling a story.

   Electrical diagrams show device interconnections.

2. A graph or chart.
   • 1999, Bruce Powel Douglass, Doing Hard Time: Developing Real-time Systems with UML, Objects, Frameworks, and Patterns, page 520:

     A common way to represent change in state over time is via a timing diagram.

   • 2010, Susan Schneider, Science Fiction and Philosophy:

     This particular diagram represents a dinosaur in the distant past and a person who is born in AD 2000. These objects stretch out horizontally in the graph because they last over time in reality, and time is the horizontal axis on the graph

   • 2013, Caroline Rickard, Essential Primary Mathematics, page 215:

     Various terms for this type of graph seem to be used interchangeably: 'scatter diagram', 'scatter graph' and 'scatter plot'.

   • 2016, Stephen Cimorelli, Kanban for the Supply Chain, page 29:

     This powerful visual tool, known as the sawtooth diagram, is used to analyze inventory behavior over time.

   • 2017, Sherman Wilcox, Ten Lectures on Cognitive Linguistics and the Unification of Spoken and Signed Languages, page 177:

     We can then chart them over time and it results in that kind of a diagram.

3. (category theory) A functor from an index category to another category. The objects and morphisms of the index category need not have any internal substance, but rather merely outline the connective structure of at least some part of the diagram's codomain. If the index category is J and the codomain is C, then the diagram is said to be "of type J in C".

同意語

• (plan または similar to show relationships または similar): schematic

下位語

• See also Thesaurus:diagram

派生語

動詞

diagram (三人称単数 現在形 diagrams, 現在分詞 diagraming または diagramming, 過去形および過去分詞形 diagramed または diagrammed)

1. (transitive) To represent or indicate something using a diagram.
2. (Britain) To schedule the operations of a locomotive or train according to a diagram.
   • 1961 March, “Talking of trains”, in Trains Illustrated, page 131:

     The timing and diagramming staff, too, were on duty for up to 21 hours devising 80 engine, 60 guards' and 25 carriage working diagrams.

関連する語

• diagrammatic
• diagrammatically

参照

• diagram on Wikipedia.
• diagram on Wikimedia Commons.
• diagram at OneLook Dictionary Search