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REFERENCE

folding

adj. · n.
US //ˈfoʊɫdɪŋ// UK //fˈəʊldɪŋ// fold·ing
  1. 1 collapsible (adj.)
    B1 Intermediate

    designed to be folded so that it takes up less space.

    describing an object engineered with hinges or joints to be collapsed into a more compact form.

    Example

    We took a folding chair to the park so we could sit comfortably during the concert.

    Example

    The apartment was so small that he had to rely on a folding desk that could be tucked away when not in use.
  2. 2 the act of bending (n.)
    B2 Upper Intermediate

    the action of bending something over on itself.

    the process or act of doubling something over or creating a crease.

    Example

    The folding of the laundry took much longer than the washing.

    Example

    Precise folding of the map is required if you want it to fit back into its protective plastic sleeve.
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  1. 3 paper money (n.)
    C1 Advanced Informal Slang

    a casual way to talk about paper money instead of coins.

    a slang term for banknotes, referring to the fact that they can be folded, unlike metallic currency.

    Example

    He didn't have any coins for the machine, only some folding in his wallet.

    Example

    The vendor preferred a bit of the folding to credit cards, offering a small discount for cash payments.
  2. 4 geological deformation (n.)
    C1 Advanced Technical Science

    the way the earth's surface bends and moves over a long time.

    the permanent deformation of rock layers into curves or bends due to tectonic pressure.

    Example

    The mountain range was formed by the folding of the earth's crust millions of years ago.

    Example

    Geologists studied the intense folding in the cliff face to determine the direction of the ancient tectonic forces.
  3. 5 hiding source code (n.)
    C1 Advanced Technical Computing

    hiding parts of a computer program's code to make it easier to read.

    a feature in text editors that allows the user to hide or collapse sections of source code.

    Example

    I use code folding to hide the long functions I am not working on.

    Example

    By utilizing code folding, the developer managed to navigate the massive script without being overwhelmed by thousands of lines of boilerplate.
Origin

By surface analysis, fold + -ing.

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