the arrangement of spoken words alternating stressed and unstressed elements | natural family planning in which ovulation is assumed to occur 14 days before the onset of a period (the fertile period would be assumed to extend from day 10 through day 18 of her cycle) |
| recurring at regular intervals |
| (architecture) the repetitive use of a group of visual elements to establish a recognizable pattern |
| the arrangement of spoken words alternating stressed and unstressed elements |
| the basic rhythmic unit in a piece of music |
| an interval during which a recurring sequence of events occurs |