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septi-

septi-

9.6
A prefix meaning seven used in words about things with seven parts
  • other
  • Specialized
: septi-
  • The prefix septi- is used in words like septilateral, which means having seven sides.

Examples

  • The term septi- denotes the number seven, as seen in words like septillion, which represents one followed by twenty-four zeros.

  • The word septipartite uses the septi- prefix to indicate something divided into seven sections.

  • In biology, septi- can appear in terms describing structures with seven parts.

  • In geometry, a septagon has seven sides.

  • A septet of musicians performed beautifully at the concert.

  • The prefix septi- is commonly found in words such as septuplet, which refers to a set of seven siblings born at once.

  • In chemistry, compounds can be classified as septi- if they contain seven carbon atoms in their molecular structure.

Surface Forms

septi- main

Etymology

Septi- also works as a number prefix meaning 'seven' and is the same root you see in September, which used to be the seventh month, and in septet. So septi- marks things that have seven parts.