waves

wave

noun

{bc}a moving ridge or swell on the surface of a liquid (as of the sea)

wave

verb

{bc}to motion with the hands or with something held in them in signal or salute

Wave

noun

{bc}a member of the womenu0027s component of the U.S. Navy formed during World War II and discontinued in the 1970s

alpha wave

noun

{bc}an electrical rhythm of the brain with a frequency of approximately 8 to 13 cycles per second that is often associated with a state of wakeful relaxation

beta wave

noun

{bc}an electrical rhythm of the brain with a frequency of 13 to 30 cycles per second that is associated with normal conscious waking experience

body wave

noun

{bc}hair or a hairstyle marked by loose curls of S-shaped waves

brain wave

noun

{bc}rhythmic fluctuations of voltage between parts of the brain resulting in the flow of an electric current

cold wave

noun

{bc}an unusually large and rapid drop in temperature over a short period of time (such as 24 hours)

compressional wave

noun

{bc}a longitudinal wave (such as a sound wave) propagated by the elastic compression of the medium

delta wave

noun

{bc}a high amplitude electrical rhythm of the brain with a low frequency of less than four cycles per second that occurs especially in {d_link|slow-wave sleep|slow-wave sleep}, is most prominent in infancy and early childhood, and may exhibit abnormal activity in various conditions (such as traumatic brain injury or dementia)