megayear
Word Rarity
Very rare
Frequency: Zipf frequency 0.00 in modern English
14
Scrabble Score
8
Letters
1
Syllables
6
Unique Chars
Meaning
noun
Example Sentences
- "Holonyms: petasecond < giga-annum, gigayear < 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"
- "After three hours the machine had not printed its response to the first input pattern; evidently the rate of learning under these conditions is very low (we judge it to be on the order of 10⁻⁶ concepts for megayear)."
- "We know from isotopic measurements, stereochemistry, and gas chromatography/mass spectrometry, that the production of hydrocarbons in the Earth occurs on timescales ranging from fractions of a megayear to hundreds of megayears, in a temperature regime in the rough range of 0-200°C, and in an evolving environmental "smog" of sedimentary pores containing water laced with varying amounts of ions, molecules, and minerals."
- "As to that time span, all clearly definite forms of life or species seem to take a megayear more or less to come about and be present for a while."
Etymology
Etymology tree Proto-Indo-European *méǵh₂s Proto-Hellenic *mégas Ancient Greek μέγᾰς (mégăs)der. English mega- 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 megayear From mega- + year.