Usually involves feeling of fear or insecurity. The loss of confidence in things that have always been stable or dependable in the past â this includes things such as a relationship, your personality structure, health, etc; so the breakdown of opinions, attitudes or relationships which seemed so dependable and you have taken for granted.
Crests and troughs. Waves have moving crests (or peaks) and troughs. A crest is the highest point the medium rises to and a trough is the lowest point the medium sinks to. Crests and troughs on a transverse wave are shown in Figure 1. A crest is a point on the wave where the displacement of the medium is at a maximum.
Wave, ripple, breaker, surf refer to a ridge or swell on the surface of water. Wave is the general word: waves in a high wind. A ripple is the smallest kind of wave, such as is caused by a stone thrown into a pool: ripples in a brook. A breaker is a wave breaking, or about to break, upon the shore or upon rocks: the roar of breakers.