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  2. Doublet (linguistics) - Wikipedia

    en.wikipedia.org/wiki/Doublet_(linguistics)

    An example is the doublet 考 and 老. At one time they were pronounced similarly and meant "old (person)." At one time they were pronounced similarly and meant "old (person)." 老 ( /lɑʊ̯˨˩˦/ in Standard Mandarin ) has retained this meaning, but 考 /kʰɑʊ̯˨˩˦/ now mainly means "examine".

  3. Word ladder - Wikipedia

    en.wikipedia.org/wiki/Word_ladder

    Lewis Carroll's doublet in Vanity Fair, March 1897 changing the word "head" to "tail" in five steps, one letter at a time. Word ladder (also known as Doublets, [1] word-links, change-the-word puzzles, paragrams, laddergrams, [2] or word golf) is a word game invented by Lewis Carroll. A word ladder puzzle begins with two words, and to solve the ...

  4. Potential flow - Wikipedia

    en.wikipedia.org/wiki/Potential_flow

    Toggle Examples of two-dimensional incompressible flows subsection. 6.1 Power laws. ... This flow pattern is usually referred to as a doublet, or dipole, and can be ...

  5. Doublet state - Wikipedia

    en.wikipedia.org/wiki/Doublet_state

    Examples of atoms in singlet, doublet, and triplet states.. In quantum mechanics, a doublet is a composite quantum state of a system with an effective spin of 1/2, such that there are two allowed values of the spin component, −1/2 and +1/2.

  6. Singlet state - Wikipedia

    en.wikipedia.org/wiki/Singlet_state

    This greater mathematical precision for example makes it possible to assess how singlets and doublets behave under rotation operations. Since a spin-1/2 electron transforms as a doublet under rotation, its experimental response to rotation can be predicted by using the fundamental representation of that doublet, specifically the Lie group SU(2 ...

  7. Two-dimensional flow - Wikipedia

    en.wikipedia.org/wiki/Two-dimensional_flow

    A doublet can be thought of as a combination of a source and a sink of equal strengths kept at an infinitesimally small distance apart. Thus the streamlines can be seen to start and end at the same point. The strength of a doublet made by a source and sink of strength kept a distance is given by –

  8. Legal doublet - Wikipedia

    en.wikipedia.org/wiki/Legal_doublet

    A legal doublet is a standardized phrase used frequently in English legal language consisting of two or ... appreciable only to lawyers, or obsolete. For example, ...

  9. Doublet - Wikipedia

    en.wikipedia.org/wiki/Doublet

    Doublet is a word derived from the Latin duplus, "twofold, twice as much", and is used to indicate a pair of identical, similar, or related things.