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What is a word for every two years?
Biannual~ this means twice in one yearbiennial~ this means once every two years
What word means an event that happens once every nine years?
the word is novennial....
What word means occurring every nine years?
enneatical
What word means once every 200 years?
Bicentennial
What is the word for recurring every six years?
Sextennial means "Recurring every six years."
What word means one million years?
one millon years
What does Ma mean in geology?
Ma means million years or million years ago. So and event that ocurred at 60 Ma ocurred 60 million years ago.
Why does 'milli' mean a thousand not a million?
The root milli means thousandThe word million makes us think the root milli means million but it actually means a thousand because there is a thousand thousands in a million
How many years did apatosaurus exist?
Apatosaurus fossils date to between 154 and 150 million years ago. That means they existed for about 4 million years.
How many years has the velociraptor lived?
Velociraptor fossils date to between 75 and 71 million years ago. That means they existed for about 4 million years.
How long have dinosaurs been around for?
From 225 to 65 million years ago 225 million - 65 million = 160 million BC So that means dinosaurs have been on the earth for 160 million years.
A mega-parsec is equivalent to?
A mega-parsec is equivalent to one million parsecs, or approximately 3.26 million light-years. It is a unit of distance used in astronomy to measure the vast distances to celestial objects such as galaxies and galaxy clusters.
What is word for one who is one hundred years old?
The word century means 100 years FYI: decade means 10 years
What word would mean a million years?
A mega annum.
What is the 4 letter word for a thousand million years?
aeon
What word means 1000 years?
The word meaning 1,000 years is millennium.
How many years the Silurian Period lasted?
The Silurian period was between 443.7 - 416 million years ago, which means that it lasted around 27.7 million years.
