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expanding    音标拼音: [ɪksp'ændɪŋ]
展成级数; 膨胀

展成级数; 膨胀

expanding
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Expand \Ex*pand"\, v. t. [imp. & p. p. {Expanded}; p. pr. & vb.
n. {Expanding}.] [L. expandere, expansum; ex out pandere to
spread out, to throw open; perh. akin to E. patent. Cf.
{Spawn}.]
1. To lay open by extending; to open wide; to spread out; to
diffuse; as, a flower expands its leaves.
[1913 Webster]

Then with expanded wings he steers his flight.
--Milton.
[1913 Webster]

2. To cause the particles or parts of to spread themselves or
stand apart, thus increasing bulk without addition of
substance; to make to occupy more space; to dilate; to
distend; to extend every way; to enlarge; -- opposed to
{contract}; as, to expand the chest; heat expands all
bodies; to expand the sphere of benevolence.
[1913 Webster]

3. (Math.) To state in enlarged form; to develop; as, to
expand an equation. See {Expansion}, 5.
[1913 Webster]


Expanding \Ex*pand"ing\, a.
That expands, or may be expanded; extending; spreading;
enlarging.
[1913 Webster]

{Expanding bit}, {Expanding drill} (Mech.), a bit or drill
made adjustable for holes of various sizes; one which can
be expanded in diameter while boring.

{Expanding pulley} (Mach.), a pulley so made, as in sections,
that its diameter can be increased or diminished.
[1913 Webster]


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  • 9 Best Gold IRA Companies Of 2025 – Forbes Advisor
    A gold IRA rollover is the process of rolling over an existing retirement account into a gold IRA, or rolling a gold IRA into a non-gold IRA Rolling over retirement accounts must be done within
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    The Traditional Gold IRA Traditional Gold IRAs work with pretax dollars, which means you can contribute, and it will grow on a tax-deferred basis Withdrawals at retirement are taxed just like any other income The Roth Gold IRA As with any investment account, there are tax benefits to having a Roth gold IRA
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    A gold IRA allows you to invest in physical gold and other precious metals as part of your retirement portfolio Setting up a gold IRA requires a self-directed IRA and a reputable custodian, and
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    Patriot Gold Group also offers 10 types of IRA-eligible gold coins Customer service is available via phone, email and live chat While the site offers a “knowledge center,” the resources are
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    Yes, you can You can achieve this through either a gold IRA transfer or a gold IRA rollover from an existing retirement plan such as a 401k or Roth IRA In the process of a gold IRA transfer, a direct transaction occurs from your current IRA custodian to your new custodian
  • What Is a Gold IRA? - Money
    A gold IRA rollover involves taking funds from another defined-contribution account such as an IRA, 401(k), 403(b) or thrift savings plan You can roll over all or part of the balance to fund a gold IRA without incurring a tax liability, provided you complete the rollover within 60 days





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