英和和英

発音

• IPA^(key): /dɪˈfaɪn/
• ハイフネーション: de‧fine
• 韻: -aɪn

動詞

define (三人称単数 現在形 defines, 現在分詞 defining, 過去形および過去分詞形 defined)

1. To determine with precision; to mark out with distinctness; to ascertain or exhibit clearly.
   • 1704, I[saac] N[ewton], “(please specify |book=1 to 3)”, in Opticks: Or, A Treatise of the Reflexions, Refractions, Inflexions and Colours of Light. […], London: […] Sam[uel] Smith, and Benj[amin] Walford, printers to the Royal Society, […], →OCLC:

     Rings […] very distinct and well defined.

   • 2013 July-August, Lee S. Langston, “The Adaptable Gas Turbine”, in (Please provide the book title または journal name):

     Turbines have been around for a long time—windmills and water wheels are early examples. The name comes from the Latin turbo, meaning vortex, and thus the defining property of a turbine is that a fluid or gas turns the blades of a rotor, which is attached to a shaft that can perform useful work.

   the defining power of an optical instrument

2. (obsolete) To settle, decide (an argument etc.) [16th–17th c.]
   • 1596, Edmund Spenser, “Book IV, Canto III”, in The Faerie Queene. […], London: […] [John Wolfe] for William Ponsonbie, →OCLC:

     These warlike Champions, all in armour shine, / Assembled were in field the chalenge to define.

3. To express the essential nature of something.
   • 2013 May-June, Brian Hayes, “Crinkly Curves”, in American Scientist, volume 101, number 3, page 178:

     Cantor defined a one-to-one correspondence between the points of the square and the points of the line segment. Every point in the square was associated with a single point in the segment; every point in the segment was matched with a unique point in the square.

   I define myself as a techno-anarchist.

   Your past mistakes do not define who you are.

4. To state the meaning of a word, phrase, sign, or symbol.

   The textbook defined speed as velocity divided by time.

5. To describe, explain, or make definite and clear; used to request the listener or other person to elaborate or explain more clearly his or her intended meaning of a word or expression.

   Person 1: Is she good at math?
   Person 2: Define "good." If you mean if she is faster than the average middle schooler at multiplication, then yes. If you mean if she is able to do multivariable calculus, then no.

6. To demark sharply the outlines or limits of an area or concept.
   • 2012 March-April, Jan Sapp, “Race Finished”, in American Scientist, volume 100, number 2, page 164:

     Few concepts are as emotionally charged as that of race. The word conjures up a mixture of associations—culture, ethnicity, genetics, subjugation, exclusion and persecution. But is the tragic history of efforts to define groups of people by race really a matter of the misuse of science, the abuse of a valid biological concept?

   to define the legal boundaries of a property

7. (mathematics) To establish the referent of a term or notation.

派生語

関連する語

名詞

define (複数形 defines)

1. (programming) A kind of macro in source code that replaces one text string with another wherever it occurs.
   • 1996, James Gosling; Henry McGilton, The Java Language Environment:

     From the computer programming perspective, Java looks like C and C++ while discarding the overwhelming complexities of those languages, such as typedefs, defines, preprocessor, unions, pointers, and multiple inheritance.

   • 1999, Ian Joyner, Objects unencapsulated: Java, Eiffel, and C++, page 309:

     Anyone who has attempted to do OO programming in a conventional language using defines will find out that it is impossible to realize the benefits easily, if at all, without compiler support.

Further reading

• “define”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.
• “define”, in The Century Dictionary […], New York, N.Y.: The Century Co., 1911, →OCLC.

アナグラム

• feed-in, feedin', infeed