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basic

adj. · n.
US //ˈbeɪsɪk// UK //bˈeɪsɪk// ba·sic
  1. 1 simple or fundamental (adj.)
    A2 Elementary

    simple and including only the most important things.

    forming an essential foundation or starting point; elementary and without complexity.

    Example

    The hotel room was very basic but it was clean and comfortable.

    Example

    The course provides a basic introduction to economic theory, focusing on supply and demand before moving to more complex models.
  2. 2 necessary (adj.)
    B1 Intermediate

    something that you must have or that is needed for life.

    relating to the most essential needs or requirements of a person or system.

    Example

    Food, water, and shelter are basic human needs.

    Example

    The charity works to provide basic medical supplies to regions where healthcare infrastructure has completely collapsed.
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  1. 3 chemistry (adj.)
    C1 Advanced Technical Science

    having a pH level higher than 7.

    having the properties of a base; reacting with an acid to form a salt and having a pH greater than 7.

    Example

    Soap is usually slightly basic, which helps it break down oils.

    Example

    The researcher adjusted the solution to make it more basic, ensuring the chemical reaction occurred under optimal alkaline conditions.
  2. 4 essential things (n.)
    B1 Intermediate

    the simplest and most important facts or things.

    the fundamental principles or essential components of a subject or activity.

    Example

    Before you start cooking difficult meals, you need to learn the basics.

    Example

    The workshop focuses on the basics of digital photography, such as aperture and shutter speed, to give beginners a solid foundation.

    Usage

    Usually used in the plural form 'basics'.
  3. 5 military training (n.)
    B2 Upper Intermediate Informal Military

    the first period of training for new soldiers.

    the initial period of intensive physical and tactical training for new military recruits.

    Example

    He lost a lot of weight while he was away at basic.

    Example

    After completing basic, the recruits were assigned to specialised units for further technical instruction.

    Usage

    Often used without an article in the phrase 'in basic'.
    • boot camp
Origin

Acronym for Beginner's All-purpose Symbolic Instruction Code, but designed to spell out basic (i.e. simplistic). First use appears c. 1964 in the BASIC Instruction Manual.

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