| A | B |
|---|
| trilogy (n) | A group of three literary or musical words that have a related theme |
| trisect (v.t.) | to divide into three parts |
| trisection (n) | a third of a portion of land that has been divided evenly into three parts |
| trisector (n) | a person or factor which divides something into three parts |
| triumvirate (n) | a group of three, especially in authority |
| tri (Greek) | three |
| tres (Latin) | three |
| quartet (n) | 1. a musical composition for four voices or instruments |
| quartet (n) | 2. a set of four, especially of four musicians |
| quatrain (n) | a stanza or group of four lines of poetry |
| decem (Latin) | ten |
| decimate (tr. v.) | 1. to destroy a large part of. |
| decathlon (n) | an athletic event in which each contestant takes part in ten events. |
| centum (Latin) | a hundred |
| bicentennial (n) | a two-hundredth anniversary |
| bicentennial (adj.) | happening every two hundred years |
| centenary (adj.) | pertaining to a one-hundred year period |
| centenary (n) | a centennial |
| centigrade (adj) | referring to a thermometer scale of 100 degrees where water freezes at 0 degrees and boils at 100 degrees |
| decimate (v.tr.) | 1) to destroy a larte part of 2) to kill one in every ten. |
| quadrant (n.) | 1 (mathematics) a quarter of a circle or of its circumference. 2. an early machine for measuring altitudes. 3. any of the four parts of an area divided by perpendicular lines. |
