Tetra a combined form meaning four and is used in the formation of compound words: Tetrabranch.
EXTENSION OF STANDARDS A1.1 AND A2.
When naming molecular compounds, prefixes are used to indicate the number of a specific element in the compound. mono indicates one, di indicates two, tri is three, tetra is four, penta is five and hexa is six, hepta is seven, octo is eight, ninth is nine and deca is ten.
English numerical prefix table
Naming of molecules in chemistry
Decamillionaire is a term that refers to someone who has a net worth of more than $ 10 million in a specific currency, usually US dollars, euros, or pounds. The term Dekamillionaire is made up of two words, Deka and Millionaire. The word deca or deca is of Greek origin and means ten.
tetra form combined with the meaning of four, used in the formation of compound words: tetrabranch.
The prefixes are: bi, centi, dec, deci, hexa, milli, mono, multi, nona, penta, poly, quadra, quint, tri, uni.
penta a form of combination that occurs in borrowings from the Greek, which means five (Pentateuch) according to this scheme, used in the formation of compound words (five values).
(Latin: nine) 1. From Latin the ninth means and Nona was called the ninth, the Roman goddess of pregnancy.
(Τά (heptá, sju).
a combined form meaning seven: heptamer. Specially. before a vowel, hept. [<Greek, comb. Form of seven heptá, approximately
Greek Numeric Prefixes
What does 7 mean in Greek?
In Greece and the origin of 7 in Christianity. Although the reason for the origin of the number 7 in Egypt is difficult to determine, there are sources that try to explain where the 7 means perfection in Christian myths. The Greeks considered 6 to be a perfect number due to its divisibility.