Word
ninth
US/ˈnaɪnθ/
UK/nˈaɪnθ/
Definitions
01position in a sequence
A2 · Elementary
num. coming after the eighth and before the tenth.
num. the ordinal number matching the cardinal number nine in a series.
“This is the ninth time I have tried to call the bank today.”
“The ninth chapter of the report provides a detailed breakdown of the fiscal discrepancies discovered during the autumn audit.”
02a fraction
B1 · Intermediate Countable noun Mathematics
n. one of nine equal parts of a whole.
n. one of nine equal parts into which a whole is or may be divided.
Español:noveno
“If you cut the cake into nine pieces, each piece is one ninth.”
“The surveyor noted that approximately one ninth of the total acreage was unsuitable for residential development due to the high water table.”
03musical interval
C1 · Advanced Countable noun Music Technical
n. a musical note that is eight notes above another note.
n. the interval between any tone and the tone represented on the ninth degree of the staff above it.
“The composer used a major ninth to create a dreamy, open sound.”
“The pianist struggled with the reach required for the dominant ninth chord in the final movement of the concerto.”
Real-World Examples
“It was her ninth goal of the season, the most of any Denver Summit player, and joint-seventh in the NWSL.” “Once the Solar System's Ninth Planet, Pluto Was Reclassified 20 Years Ago.” Etymology
From Middle English nynthe, nynte, from Old English niġoþa, from Proto-Germanic *newundô; the -n- was reinserted by analogy with nine. Equivalent to nine + -th (ordinal suffix).
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.
Idioms
Domain
- Exam level
- CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
- Frequency
- Common
- Level
- B2 · Upper Intermediate
- Updated
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QR code
englishreference.com/q/ninth
Traducciones: Kaikki.org (Wiktionary), CC BY-SA 4.0