UNIT 14: SIX, SEVEN, EIGHT Vocabulary

A collection of vocabulary terms and roots identifying words associated with the numbers six, seven, and eight, including their definitions and origins as presented in the lecture notes.

hexagon

a $2$-dimensional figure that has six angles and six sides

September

The ninth month of the year, formerly the seventh

septennial

lasting for seven years; happening once every seven years

septet

a group of seven singers or musicians who perform together; a piece of music that is meant to be performed by seven people

septuagenarian

a person who is between $70$ and $79$ years old

octagon

a flat shape that has eight sides and eight angles

octave

a group of eight, such as eight lines or eight musical notes

October

the tenth month of the year, formerly the eighth

octopus

a sea animal that has a soft body and eight long arms

sextant

a sixth of a circle; an instrument used to determine the position of a ship or airplane by measuring the positions of the stars and sun

hex/sex

Latin and Greek roots meaning six

sept

Latin root meaning seven

oct

Latin root meaning eight