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单词 d
释义

d1

abbreviationdiːdiː
  • 1(in genealogies) daughter.

    Henry m. Georgina 1957, 1s 2d
  • 2Day(s)

    orbital period (Mars): 687.0 d
  • 3in combination (in units of measurement) deci-.

  • 4(in travel timetables) departs.

    Plymouth d 0721
  • 5"d."Died (used to indicate a date of death)

    Barents, Willem (d.1597)
  • 6British Penny or pence (of pre-decimal currency)

    £20 10s 6d
  • 7Chemistry
    Denoting electrons and orbitals possessing two units of angular momentum.

    d-electrons
diːdiː
Mathematics
  • 1Diameter.

    the circumference of a circle is expressed by the formula πd
  • 2Denoting a small increment in a given variable.

    dy/dx

D2

abbreviationdiːdi
  • 1(in the US) Democrat or Democratic.

    Delaware: breakdown of outgoing Senate: 13 D, 8 R
  • 2Depth (in the sense of the dimension of an object from front to back)

    H 35 cm × W 50 cm × D 20 cm
  • 3Chemistry
    Dextrorotatory.

    D-glucose
  • 4(with a numeral) dimension(s) or dimensional.

    a 3-D model
  • 5(in tables of sports results) drawn.

  • 6(on an automatic gear shift) drive.

  • 7Germany (international vehicle registration).

diːdi
  • 1Physics
    Electric flux density.

  • 2Chemistry
    The hydrogen isotope deuterium.

D3

(also d)
nounPlural D's, Plural Ds, Plural dsdiːdi
  • 1The fourth letter of the alphabet.

    Example sentencesExamples
    • Each half resembles a uppercase letter D, so the two parts of the cyclotron are known as dees.
    1. 1.1 Denoting the fourth in a set of items, categories, sizes, etc.
    2. 1.2 The fourth-highest category of academic mark.
    3. 1.3"d"Chess Denoting the fourth file from the left, as viewed from White's side of the board.
    4. 1.4 Denoting the second-lowest-earning socio-economic category for marketing purposes, including semi-skilled and unskilled personnel.
  • 2A shape like that of a capital D.

    in combination the D-shaped handle
    1. 2.1 A loop or ring in the shape of a capital D.
      a saddle with stainless steel dees
    2. 2.2"D" A semicircle marked on a billiard table in the baulk area, with its diameter part of the baulk line, within which a player must place the cue ball when breaking off or restarting from hand.
  • 3usually "D"Music
    The second note of the diatonic scale of C major.

    1. 3.1 A key based on a scale with D as its keynote.
  • 4The Roman numeral for 500.

 
 

d1

abbreviationdiː
  • 1Date.

  • 2(in genealogies) daughter.

  • 3Day(s)

    orbital period (Mars): 687.0d
  • 4Deceased.

  • 5Deep.

  • 6in combination (in units of measurement) deci-.

  • 7(in travel timetables) departs.

  • 8"d."Died (used to indicate a date of death)

    Barents, Willem (d.1597)
  • 9Divorced.

  • 10British Penny or pence (of predecimal currency)

    £20 10s 6d
  • 11Chemistry
    Denoting electrons and orbitals possessing two units of angular momentum.

    d-electrons
diː
Mathematics
  • 1Diameter.

  • 2Denoting a small increment in a given variable.

    dy/dx

D2

abbreviationdi
  • 1Democrat or Democratic.

  • 2Depth (in the sense of the dimension of an object from front to back).

  • 3Chemistry
    Dextrorotatory.

    D-glucose
  • 4(with a numeral) dimension(s) or dimensional.

    a 3-D model
  • 5(in tables of sports results) drawn.

  • 6(on an automatic gearshift) drive.

  • 7(in personal ads) divorced.

di
  • 1Physics
    Electric flux density.

  • 2Chemistry
    The hydrogen isotope deuterium.

D3

(also d)
noundi
  • 1The fourth letter of the alphabet.

    Example sentencesExamples
    • Each half resembles a uppercase letter D, so the two parts of the cyclotron are known as dees.
    1. 1.1 Denoting the fourth in a set of items, categories, sizes, etc.
    2. 1.2 The fourth highest category of academic mark.
    3. 1.3"d"Chess Denoting the fourth file from the left, as viewed from White's side of the board.
    4. 1.4 Denoting the second-lowest-earning socioeconomic category for marketing purposes, including semiskilled and unskilled personnel.
  • 2A shape like that of a capital D.

    in combination the D-shaped handle
    1. 2.1 A loop or ring shaped like that of a capital D.
  • 3usually "D"Music
    The second note of the diatonic scale of C major.

    1. 3.1 A key based on a scale with D as its keynote.
  • 4The Roman numeral for 500.

 
 
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更新时间:2025/2/26 6:26:30