gigayear
Word Rarity
Very rare
Frequency: Zipf frequency 0.00 in modern English
13
Scrabble Score
8
Letters
2
Syllables
6
Unique Chars
Meaning
noun
A billion years: a thousand million years, that is, a thousand thousand thousand years.
Example Sentences
- "Holonyms: exasecond < zettasecond < yottasecond < ronnasecond < quettasecond"
- "Meronyms: quectosecond < rontosecond < yoctosecond < zeptosecond < attosecond < femtosecond < picosecond < nanosecond < microsecond < millisecond < centisecond < decisecond < second < decasecond < minute < hectosecond < kilosecond < hour < day < week < megasecond < fortnight < month < year < gigasecond < century < kiloannum, kiloyear, millennium < terasecond < mega-annum, megayear < petasecond"
- "These syntheses gave a fresh geological, as opposed to solely geophysical, view of the up to multi-megayear and near gigayear mechanism responsble for the palimpsests of a general process of change in the upper crust: a process that we may observe, often apparently 'frozen' -- because it is so slow, at different steps in the process, in different places within the upper crust."
- "The illustrative example here provides for a few gigayear spread in ages of tracers of the stellar halo in a spiral (this is obviously sensitive to the chosen turnaround redshift) as found for the Milky Way field stars (Schuster & Nissen 1989) and globular clusters (reviewed by Bolte 1993)."
- "It's hard to tell the difference between a 5-gigayear, 8-gigayear, and 10-gigayear cluster for such a sparse object as this unless you've got very high-quality photometry."
- "The fraction could be as high as 100% if the nuclear activity lasts much less than a gigayear."
Etymology
Etymology tree Ancient Greek Γίγας (Gígas) Ancient Greek γίγας (gígas)der. English giga- Proto-Indo-European *(H)yeh₁-der.? Proto-Indo-European *yóh₁r̥der. Proto-Germanic *jērą Proto-West Germanic *jār Old English ġēar Middle English yeer English year English gigayear From giga- + year.