9th

9th — noun

1. the person or thing that holds the ninth position within a sequence — for exampl

1.名詞A1
釋義

the person or thing that holds the ninth position within a sequence — for example, the ninth runner to cross the finish line, or the ninth item on a schedule.

例句

Yuki was the ninth person to arrive at the party, before the cake was cut.

the [ordinal] + person/thing + to verb — common pattern

The ninth chapter of the novel is where the detective finally solves the case.

同義詞
  • ninth

    identical meaning; 'ninth' is the full-word form, '9th' is the numeral

  • number nine

    informal, often used for rankings in sports or competitions

文法句型

the [ordinal] + to + verb

be + the [ordinal]

用法筆記

Usually preceded by 'the' or a possessive determiner. The spelled-out form 'ninth' is more common in writing; '9th' is used in dates, lists, and informal notes.

常見錯誤

He finished nine in the race.
He finished ninth in the race.
💡Use the ordinal form (ninth/9th) for position, not the cardinal (nine).

2. each piece when you divide a whole into nine portions of the same size — used wh

2.名詞B1
釋義

each piece when you divide a whole into nine portions of the same size — used when sharing food, money, time, or land among nine people or groups.

例句

Priya ate one ninth of the chocolate cake and saved the rest for later.

one ninth of + [noun] — fraction pattern

A ninth of the town's land is set aside for parks and playgrounds.

同義詞
  • nine part

    less common; used in technical or mathematical contexts

文法句型

a ninth of + [noun]

one ninth of + [noun]

用法筆記

Often used in plural ('ninths') when describing division of a whole into nine parts: 'cut the cake into ninths'. Common in measurements, recipes, and financial shares.

常見錯誤

I ate nineth of the pizza.
I ate one ninth of the pizza.
💡The spelling is 'ninth' (not 'nineth'), and use 'a' or 'one' before it.

3. in Western music, the distance of one octave plus a whole step between two notes

3.名詞B2
釋義

in Western music, the distance of one octave plus a whole step between two notes — for example, the space from C up to the D one octave higher.

例句

The jazz pianist played a rising ninth interval that surprised the audience.

A ninth spans an octave and a whole step, making it wider than a second.

ninth spans/measures [description]

同義詞
  • compound second

    technical term describing the same interval as an octave plus a step

用法筆記

A ninth is a compound interval — an octave plus a second. Beginners often confuse it with a second because both describe the step between the same two letter-names, but a ninth is an octave higher.

4. the specific pitch that lies a ninth above the root note of a scale or chord — t

4.名詞B2
釋義

the specific pitch that lies a ninth above the root note of a scale or chord — the note that musicians add to create a richer harmonic colour.

例句

The singer held the ninth of the chord for two full bars before the resolution.

hold/play/sustain + the ninth

Hassan resolved the melody by landing softly on the ninth of the scale.

同義詞

用法筆記

Distinguish from sense 3: sense 3 describes the interval (the distance between two notes), while sense 4 describes the actual note (the pitch itself). In chord symbols, '9' indicates both the interval and the note.

5. a musical chord built by adding the note a ninth above the root to a seventh cho

5.名詞C1
釋義

a musical chord built by adding the note a ninth above the root to a seventh chord, creating a rich, colourful sound often used in jazz and late-Romantic music.

例句

Wei played a beautiful ninth chord at the very end of the piano piece.

The song's bridge features a dominant ninth chord that shifts the mood completely.

dominant ninth chord — common subtype

同義詞
  • ninth chord

    the full term; 'a ninth' is the shortened form musicians use

  • dominant ninth

    the most common type of ninth chord built on a dominant seventh

用法筆記

Ninth chords extend seventh chords and come in several types: dominant ninth (most common), major ninth, and minor ninth. They are typical in jazz, blues, and late Romantic classical music.