milli
The Greek fractional prefix meaning one one-billionth is "nano-".
The Greek fractional prefix meaning one one-billionth is "nano-" (symbol: n).
centi-
micro- It represents the Greek symbol mu (looks like a script u).
It is not Greek and has no Greek meaning.
prefix meaning fast
The prefix "glu" comes from the Greek words γλυκύς (glukus), meaning "sweet".
The Greek prefix meaning "skin" is "derm-", as in words like dermatology (study of skin) and dermatitis (inflammation of the skin).
Greek klados - to strike
seismo-, seism-, -seism, -seisms, -seisma, -seismically, -seismical, -seismal, & -seismic
The prefix astro is from Ancient Greek ἄστρον meaning star