chord

/kɔːd/ (bre, ipa) · /kɔːrd/ (ame, ipa) · /ˈkȯrd/ (ame, mw)

chord — noun

  • chordsingular
  • chordsplural

1. a group of musical notes that are sounded at the same moment, creating a single

1.名詞B1
釋義

a group of musical notes that are sounded at the same moment, creating a single sound with a particular emotional quality — for example, a C major chord sounds bright, while a D minor chord sounds sad.

例句

The guitarist played a loud chord, and the crowd cheered.

Aiko learned to play three basic chords on her new ukulele.

collocation: play + chord

同義詞
  • triad

    a three-note chord, the most basic type

  • harmony

    a broader concept that includes how chords progress and relate to each other

反義詞
  • single note

    one isolated pitch rather than a combination

文法句型

chord + of [notes]

play + chord

[adjective] + chord

用法筆記

A chord is different from an arpeggio: in a chord, all notes sound at once; in an arpeggio, they are played one after another.

常見錯誤

I played a chord of three notes on the piano.
I played a three-note chord on the piano.
💡The word 'chord' already means a combination of notes, so 'chord of three notes' is redundant phrasing.

2. a straight segment that connects any two points on the edge of a closed curve, s

2.名詞B2
釋義

a straight segment that connects any two points on the edge of a closed curve, such as a circle — for example, a line from one side of a circle to the other without passing through the centre.

例句

The teacher drew a chord connecting two points on the circle.

collocation: draw + chord

A diameter is a chord that passes through the centre of a circle.

diameter as a special type of chord

同義詞
  • line segment

    a more general term for any straight part of a line between two points

  • diameter

    a chord that goes through the centre — the longest possible chord in a circle

文法句型

chord + of [a circle]

the + chord + between [two points]

用法筆記

In school geometry problems, 'chord' almost always refers to a line inside a circle. On other curves, the term may be called a 'chord of the curve.'

常見錯誤

Draw a chord from the centre to the edge of the circle.
Draw a radius from the centre to the edge of the circle.
💡A chord connects two points on the edge; a radius connects the centre to the edge.

chord — verb