Glossary of terms
| prisoners of war | a person who is held captive by a belligerent power, such as their enemy, during or after an armed conflict |
| promontory | a cliff or high point of land that points out into the sea |
| propaganda | biased information that a country or political organisation broadcasts or publishes to influence people |
| Protection Acts | state-based laws of the 1800s and 1900s that forced First Australians to live under the control of a legal protector who managed many aspects of their lives, such as employment and marriage |
| Protectorate | a state that is controlled and protected by another |
| Protestant | a Christian who belongs to the branch of the Christian church that separated from the Catholic Church in the 16th century |
| protocol | a system of rules about the correct way to act in formal situations |
| quarantine | method of keeping some people or animals separate from others for a set period of time, usually to prevent spread of disease in a population |
| quinine | a plant-derived alkaloid used to treat malaria |
| raid | a sudden armed attack |
| rating | a junior enlisted member of a navy who is not a warrant officer or commissioned officer |
| recolonise | to colonise a foreign place again, by living there and taking control of it |
| reconnaissance | an activity to obtain military information about a place by sending soldiers or planes there or by using satellite data |
| reconnoitre | get information about an area's geographical features or the size and position of an armed force based there |
| referendum | a national vote for people to decide whether or not they agree with a policy |
| refugee | a person forced to leave their country or homeland because of war or their political or religious beliefs |
| Reichsmark | standard monetary unit of Germany between 1924 and 1948 |
| reinforcements | extra people in a military force who are sent to help or to replace those who have been killed or wounded |
| rendezvous | a meeting place that's been arranged between 2 or more people, often in secret |
| reparation | a sum of money paid after a war by the defeated country for the damage and injuries it caused in other countries |
| repatriation | returning a veteran home after they have been injured, become sick or been killed in another country; also refers to returning a military force when conflict has ceased |
| reservist | soldier who is not serving in the regular army of a country, but can be called to serve when needed |
| rōmusha | Asian labourers enticed or coerced to work for the Japanese on the construction of the Burma-Thailand Railway in 1942 and 1943 |
| Royal Australian Air Force (RAAF) | the official name of the aerial warfare force in Australia since 31 March 1921. |
| Royal Australian Navy (RAN) | the official name of the naval force in Australia since 10 July 1911; since 1 March 1901, it had been called the Commonwealth Naval Forces. |
| sabotage | to deliberately damage or destroy an object during a war |
| salient | a battlefield feature or bulge that projects into enemy territory, making troops vulnerable to enemy troops on multiple sides |
| salvage | to save useful or valuable items from a damaged ship or building |
| salvo | the firing of several guns or missiles at the same time in a battle |
| sanctions | measures taken by countries to restrict trade and official contact with a country that has broken international law |
| sapper | a soldier whose job is to do building, digging and similar construction work |
| scapegoat | a person who is publicly blamed for something bad that has happened, even though it was not their fault |
| screening | a military tactic that uses either a body of cavalry to screen the advance of an attacking infantry force or a naval force to protect the main body of ships |
| scuttle | to sink a ship deliberately |
| seconded | temporarily sent somewhere else by an employer to do special duties |
| separatist | a person who wants their own separate government or is involved in separatist activities |
| serge | a strong woollen cloth used to make clothes, such as nurses' uniform dresses |
| shell | a metal container full of an explosive substance and fired from a large gun; (verb) to fire shells at something from a large gun - shelled, shelling, shellfire |
| shell shock | a confused or nervous mental condition of people who have been under fire in a war |
| shrapnel | consists of small pieces of metal that are scattered from exploding bombs or shells |
| siege | a military tactic where soldiers surround a place in an attempt to force its people to come out or give up control of the place |
| signaller | a radio or telephone operator in the armed forces who relays messages from the battle field to headquarters, governments or non-government organisations |
| skirmish | a small short-lived military battle |
| sloop | a small sailing boat with one mast |
| smoke shell | a shell filled with white phosphorus fired by artillery to screen advancing troops |
| sniper | a person who shoots at people from a hidden position |
| Somme | a river in northern France where battles took place during World War I |
| sovereignty | the power a country has to govern itself or another country or state |
| squalor | very dirty, unpleasant conditions |
| stalemate | a military situation where two opposing forces find that further action is either impossible or pointless |