English Reference

Word

hundredth

Phoneticshun·dredth, stress on the first syllable

US/ˈhəndɹədθ/

UK/hˈʌndɹədθ/

Countable noun Mathematics

Definition

n. one of one hundred equal parts of something. You use it to talk about a very small fraction, like 1/100.

n. one of one hundred equal parts of a whole. Often used in the context of decimal fractions or ordinal positions.

Examples

“The runner finished in one hundredth of a second.”

“The athlete's time was recorded to the nearest hundredth of a second to ensure a fair result.”

“While the difference in performance was only a fraction of a second, the official timer measured it to the nearest hundredth to determine the winner.”

Examples

simple

“The runner finished in one hundredth of a second.”

contextual

“The athlete's time was recorded to the nearest hundredth of a second to ensure a fair result.”

complex

“While the difference in performance was only a fraction of a second, the official timer measured it to the nearest hundredth to determine the winner.”

Real-World Examples

“The 26-year-old finished only eight hundredths of a second behind Werro in Lausanne last week and took European bronze in Birmingham.”
BBC News 26 Aug 2026
“The researchers heated the nanoparticles then supercooled them , going from more than 3,000°F (1,650°C) to room temperature within a few hundredths of a second.”
Phys.org 25 Aug 2026

Etymology

From Middle English hundred (“hundredth”); equivalent to and remodelled after hundred + -th (ordinal suffix). The Old English term was hundtēontigoþa.

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

Word family

NOUN

hundredth(B2)

Domain

Mathematics

This entry

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
Occasional
Level
B2 · Upper Intermediate
Updated

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English Reference