Standard Lemma guide

decasecond

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • UK: /ˈdɛkəsɛkənd/

1

noun

Meaning 1

An SI unit of time equal to 101 seconds. Symbol: das

Definition source: English Wiktionary via Wiktextract

Topics: metrology

Examples

  • Holonyms: minute < hectosecond < kilosecond < hour < day < week < megasecond < fortnight < month < year < gigasecond < century < kiloannum, kiloyear, millennium < terasecond < mega-annum, megayear < petasecond < giga-annum, gigayear < exasecond < zettasecond < yottasecond < ronnasecond < quettasecond
  • Meronyms: quectosecond < rontosecond < yoctosecond < zeptosecond < attosecond < femtosecond < picosecond < nanosecond < microsecond < millisecond < centisecond < decisecond < second
  • 1968, Title: Narrow-Band Decasecond Emissions from Jupiter Authors: Riihimaa, JJ Journal: Astrophysical Letters, Vol. 2, p.59 Publication Date: 00/1968 Origin: ... http://adsabs.harvard.edu/abs/1968ApL.....2...59R methods for electrostimulating two neocortical zones Excerpt: Changes in the oscillations of the decasecond and minute waves of superslow activity in the 0 to 1 Hz range were compared using various techniques for electrostimulating neocortical zones in rabbits with gold electrodes chronically implanted in structures of the ... Publication: Neuroscience and Behavioral Physiology Authors: Yu. S. Borodkin, I. A. Lapina, Yu. L. Gogolitsyn Publisher: Springer New York Issue: Volume 14, Number 5 Pages: 373 - 379

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Etymology tree Proto-Indo-European *déḱm̥ Proto-Hellenic *dékə Ancient Greek δέκᾰ (dékă) Ancient Greek -ᾰ́ς (-ắs) Ancient Greek δεκάς (dekás)der. Late Latin decasder. French déca-bor. English deca- English second English decasecond From deca- + second.

Across languages

Translations

2 source translations are retained for this English entry.

  • Finnish: dekasekunti — 10 seconds
  • Slovak: dekasekunda — 10 seconds