the normal brainwave in the encephalogram of a person who is awake and alert; occurs with a frequency between 12 and 30 hertz
recurring at regular intervals
the basic rhythmic unit in a piece of music
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)
an interval during which a recurring sequence of events occurs
the 2nd letter of the Greek alphabet
preliminary or testing stage of a software or hardware product
second in order of importance
beets
