Definitions

millisecond

[mil-uh-sek-uhnd] / ˈmɪl əˌsɛk ənd /

NOUN

split second

Synonyms

STRONGEST

blink of an eye nanosecond

WEAK

bat of an eye flash fraction of a second half a second heartbeat instant jiffy microsecond moment nothing flat twinkling

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Millisecond pulsars spin especially fast, which makes their timing behavior even more stable and predictable.

From Science Daily • Feb. 17, 2026

The paper "Millisecond lifetimes and coherence times in 2D transmon qubits" was published in Nature on Nov. 5.

From Science Daily • Nov. 17, 2025

Millisecond pulsars spin very rapidly - hundreds of times per second.

From BBC • Jan. 19, 2024

millisecond

Example Sentences

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