Bounce Rate is the measurement in percentage of how many web site visitors view only one page within your Web site

Bounce rate is an Internet marketing term used in web traffic analysis. It represents the percentage of visitors who enter the site and "bounce" rather than continue viewing other pages within the same site.

Great...A bounce is a single-page session on your site. This is very important factor for better ranking in search engines.

The percentage of visitors to a particular website who navigate away from the site after viewing only one page.

Bounce Rate tells what percentage of your visitors visit your blog but leave without going through your content or traversing other pages of your blog (i.e. they are just visiting landing page, and leave your site without opening second page of your site)This rate is shown as percentage.

For an instance, if your site has a bounce rate of 75%, it means that 75 out of every 100 visitors who clicked on to your link did not view the other pages of your blog rather simple left within seconds on visiting the first page of your blog.

An increase in the bounce rate is not good for the site because it is the identification of the poor quality of the website which most of the visitor's don't like because of poor quality website design, unclear navigation structure of the website

The percentage of visitors to a particular website who navigate away from the site after viewing only one page.

A bounce is a single-page session on your site. In Analytics, a bounce is calculated specifically as a session that triggers only a single request to the Analytics server, such as when a user opens a single page on your site and then exits without triggering any other requests to the Analytics server during that session.

Bounce rate is single-page sessions divided by all sessions, or the percentage of all sessions on your site in which users viewed only a single page and triggered only a single request to the Analytics server.

The rate in which visitors visit our webpage and return immediately is said to be bounce rate

More bounce rate means more negativity for the ranking in google search engine

the percentage of visitors to a particular website who navigate away from the site after viewing only one page.

Firstly,You will have to check your website
then website loading speed check,website images check...
also you should check wheather your website properly work or not..because of above factor visitor not see whole website...

Bounce rate
 

Bounce rate not measure how long user spent on your site this is only measurement whether they have viewed only one page or more than one page that process called as bounce rate

High bounce rate in itself doesn't mean it is a bad site. I would think google looks to see if you continue your search, going back to the google search results and looking at more sites.I really doubt that bounce rate make a different on SERP.

Bounce Rate is the percentage of visitors that hit your website on a given page and don’t visit any other pages on your site.

Bounce rate is the percentage of visitors who come to your website and leave without viewing any other pages on your website. If you look into your Google Analytics, you will see a percentage.