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There are 11 eleven-letter words containing SECON

ATTOSECONDS• attoseconds n. Plural of attosecond.
• ATTOSECOND n. ten to the power of minus eighteen seconds.
FEMTOSECOND• femtosecond n. A unit of time equal to 0.000 000 000 000 001 seconds (i.e. 1×10−15 seconds) and with symbol fs.
• FEMTOSECOND n. one quadrillionth part of a second.
MICROSECOND• microsecond n. (Metrology) An SI unit of time equal to 10-6 seconds. Symbol: μs It is commonly represented with symbol…
• MICROSECOND n. one millionth of a second.
MILLISECOND• millisecond n. One one-thousandth of a second. Symbol: ms.
• MILLISECOND n. a thousandth part of a second.
NANOSECONDS• nanoseconds n. Plural of nanosecond.
• NANOSECOND n. a billionth of a second.
PICOSECONDS• picoseconds n. Plural of picosecond.
• PICOSECOND n. a trillionth of a second.
SECONDARIES• secondaries n. Plural of secondary.
• SECONDARY n. a subordinate.
SECONDARILY• secondarily adv. With lesser importance.
• secondarily adv. In a secondary manner or degree.
• secondarily adv. (Obsolete) Secondly; in the second place.
SECONDMENTS• secondments n. Plural of secondment.
• SECONDMENT n. the act of seconding.
YOCTOSECOND• yoctosecond n. (Metrology) An SI unit of time equal to 10-24 seconds. Symbol: ys.
• YOCTOSECOND n. a very small unit of time.
ZEPTOSECOND• zeptosecond n. (Metrology) A unit of time equal to 0.000 000 000 000 000 000 001 seconds, that is, 10-21 second, and…
• ZEPTOSECOND n. a 10 to the -21 part of a second.

Scrabble words — in black are valid world wide — in RED are not valid in North America — in GREEN are valid only in North America.
Definitions are short excerpt from the WikWik.org and 1Word.ws.

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See this list for:

  • English Wiktionary: 85 words
  • Scrabble in French: 14 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: 28 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 9 words


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