It is the ratio between the volume of the cylinder, when the piston is at the bottom of its stroke, and the volume when the piston is at the top of its stroke.

Sami stepped out the door.

Sami stepped on dog excrement.

Due to the unreliability of piston engines at the time, flights far from land were considered very risky.

Sami stepped out of the shower.

Engines Until the beginning of the Jet Age, piston engines were common on propliners like the Douglas DC 3.

He stepped on my foot on purpose.

We stepped inside a small, bare room.

Thirdly, international cooperation should be stepped up.

The piston descends from the top of the cylinder to the bottom of the cylinder, increasing the volume of the cylinder.

They threatened to crash until the state stepped in.

Efforts to combat child labour should be stepped up.

Into this fray stepped the US and its Western allies.

France has stepped up its monitoring of China s African activities.

Iranian authorities stepped up the pressure on Iranian media last week.

For example, for a thermodynamic system consisting of a piston containing water vapour, the particle number is the number of water molecules in the system.

Amnesty International and Reporters sans frontieres both stepped away from the process.

Their muscles are adapted to pushing their way through the ground, with the skeleton and deep muscles acting as a piston inside the skin and outer muscles.

In recognition of this, China has stepped up its efforts to mend fences.

Denmark continues to believe that pressure on the parties should be stepped up.

When Andy stepped down, he said, No technology will win. Technology itself will win.

Even against tiny Bhutan, China has stepped up its lands claims through military incursions.

But macroeconomic reform came to a screeching halt after Koizumi stepped down in 2006.

The rats have it good the one I accidentally stepped upon was already fat.

After two days of violence the military stepped in and the violence immediately ended.

Teaching in the scripts of the ethnic people was stepped up with 8 languages.

The use of river names was introduced with the earliest Rolls jet engines to reflect their nature a steady flow of power rather than the pulses of a piston engine.

Moreover, Hu stepped down as the chairman of the Central Military Commission sooner than expected.

Recently, international cooperation in minimizing the consequences of the Chernobyl disaster has been stepped up.

Within the Department, internal communication has been stepped up to ensure better exchanges of information.

In dropping that half of Wilson s approach, they stepped on their own message, reducing its effectiveness.

Ahidjo stepped down on 4 November 1982 and left power to his constitutional successor, Paul Biya.

To achieve this goal, efforts will be stepped up to prevent and counter violence against women.

But when I stepped back, I felt myself at the cold, hard center of a perfect storm.

President Bill Clinton stepped in, and prevailed upon the two sides to work out their remaining disagreements.

America never really stepped out of the spotlight, and it will continue to play a leading role.

The Canadian naval mission ends in late October, and no country has stepped forward to replace it.

However, these countries continue to face new challenges as efforts to tackle cases effectively are stepped up.

There's an infrared beam that's going across, and he has stepped into the beam and taken his photograph.

Narrator Exploration is a physical process of putting your foot in places where humans have never stepped before.

When the euro fell to 1.20, China finally stepped in to preserve the euro as an international currency.

Sun stepped down as President, and Yuan became the new provisional president in Beijing on 10 March 1912.

He said, Come! Peter stepped down from the boat, and walked on the waters to come to Jesus.

Also during the year, the Global Compact stepped up its efforts with respect to engaging the financial markets.

Humanitarian relief efforts in that province were winding down, while resettlement and reintegration efforts were being stepped up.