What is the science definition of crest?
What is the science definition of crest?
A crest is a point on a surface wave where the displacement of the medium is at a maximum. A trough is the opposite of a crest, so the minimum or lowest point in a cycle.
What is a example of crest?
Crest is defined as to reach the highest point of something. An example of crest is water reaching its highest level in a stream. The definition of a crest is something that is located at the top of something or someone or a symbol of a family name. An example of crest is the comb on a rooster’s head.
What is the meaning of crest in geography?
noun. the highest part of a hill or mountain range; summit. the head or top of anything. a ridge or ridgelike formation.
What does crest mean in Letter to God?
Answer: the top of a mountain or hill.
What is a crest in a river?
A “crest” is the level at which a river peaks before it goes down. Forecasters may issue a “rise to” prediction if they’re not yet sure how high a river will crest. “Rise to” means the river is expected to reach a certain level but could crest at an even higher level later on.
What is a crest of a ridge?
ridge crest The highest part of a ridge, typically 2–3 km above the level of the abyssal plains.
Which letter represents the wave crest?
At any given moment in time, a particle on the medium could be above or below the rest position. Points A, E and H on the diagram represent the crests of this wave. The crest of a wave is the point on the medium that exhibits the maximum amount of positive or upward displacement from the rest position.
What kind of person was the postmaster?
The postmaster was a fat and amiable person. He was very kind hearted. When he got lencho’s letter he was surprised. He didn’t wanted to break lencho’s faith is God so he decided to help him.
What causes sclerodactyly in CREST syndrome?
Limited scleroderma (CREST syndrome) is caused by changes in the body’s own immune system . This disease is considered to be an autoimmune disorder, in which body’s own immune system works against it.
How rare is CREST syndrome?
CREST syndrome is very rare among children. Females are more prone to CREST syndrome when compared to males. Worldwide ratio of males and females in CREST syndrome is recorded as 1:4.6. In United States women of African descent often get affected with CREST syndrome when compared to the women of European descent.
What is a crest of a mountain?
crest – the top line of a hill, mountain, or wave line – a spatial location defined by a real or imaginary unidimensional extent hilltop, brow – the peak of a hill; “the sun set behind the brow of distant hills” pinnacle – a lofty peak
Is CREST syndrome fatal?
CREST syndrome. Scleroderma is a rare, chronic disease characterized by excessive deposits of collagen . Progressive systemic scleroderma or systemic sclerosis, the generalised type of the disease, can be fatal.