English Reference
noun · verb

chord

n. · v.
US /ˈkɔɹd/ UK /kˈɔːd/ chord UK spelling chord's, chord's

  1. 01 B2 Upper Intermediate Music

    n.three or more musical notes played at the same time to create a harmony.

    n.a harmonic set of three or more notes sounded simultaneously.

    Simple

    The song begins with a simple guitar chord that everyone recognizes.

    In context

    The composer utilized a series of dissonant chords to evoke a sense of unease before resolving into a major key.

    Pitfall
    He played a beautiful cord on the piano. He played a beautiful chord on the piano.

    Use 'chord' for music and 'cord' for a thin rope or string.

  2. 02 C1 Advanced Technical Math

    n.a straight line that connects two points on a curved line or circle.

    n.a straight line segment whose endpoints both lie on a circular arc or other curve.

    Simple

    The teacher asked us to draw a chord across the circle without passing through the center.

    In context

    In geometry, the diameter is technically the longest possible chord that can be drawn within a circle.

  3. 03 C2 Proficiency Technical Science

    n.the width of an aircraft wing from the front edge to the back edge.

    n.the distance between the leading and trailing edges of an aerofoil, measured in the direction of the normal airflow.

    Simple

    Engineers measured the chord of the wing to calculate how much lift it would create.

    In context

    The tapered wing design features a varying chord length to optimize aerodynamic efficiency at high altitudes.

  4. 04 C2 Proficiency Technical Computing

    n.a keyboard shortcut where you press two or more keys in a specific order.

    n.a keyboard input method involving a combination of keys pressed simultaneously or in a specific sequence to execute a command.

    Simple

    Some advanced text editors use a chord like Ctrl+K followed by Ctrl+C to comment out code.

    In context

    Power users often prefer chorded commands because they allow for a vast number of shortcuts without moving the hands from the home row.

    shortcutkey combination
  5. 05 C2 Proficiency Technical Music

    v.to write or provide the musical chords for a piece of music.

    v.to compose, provide, or arrange harmonic chords for a melody.

    Simple

    She spent the afternoon chording the new song she wrote on her guitar.

    In context

    The pianist was asked to chord the folk melody, adding a modern jazz influence to the traditional structure.

    Usage

    The verb is transitive and requires a direct object, such as a song or a melody.

    harmonizearrange

Variant of cord, with spelling alteration due to Latin chorda (“cord”), ultimately from Ancient Greek χορδή (khordḗ, “string of gut, the string of a lyre”). No relation to French accord (“chord”) and its derivations. Doublet of cuerda.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin Ancient Greek χορδή
Level B2 · Upper Intermediate
Frequency Frequent
Updated