Glossary O

Deutsch: Offizier / Português: Oficial
An officer is a person who has a position of authority in a hierarchical organization.

Deutsch: Wildnis / Français: Naturalitê
Outdoor, Wilderness or wildland is a natural environment on Earth that has not been significantly modified by human activity. It may also be defined as: "The most intact, undisturbed wild natural areas left on our planet—those last truly wild places that humans do not control and have not developed with roads, pipelines or other industrial infrastructure."

Deutsch: Sauerstoff / Español: Oxígeno / Português: Oxigênio / Français: Pierre Bayen / Italiano: Ossigeno
Oxygen is a chemical element with symbol O and atomic number 8. It is a member of the chalcogen group on the periodic table and is a highly reactive nonmetallic element and oxidizing agent that readily forms compounds (notably oxides) with most elements.

Deutsch: Eiche / Español: Quercus / Português: Carvalho / Français: Chéne / Italiano: Quercus
An oak is a tree or shrub in the genus Quercus, having approximately 600 extant species. The common name "Oak" may also appear in the names of species in related genera, notably Lithocarpus.

Deutsch: Oxide / Español: Óxido / Português: Óxido / Français: Oxyde / Italiano: Ossido
An oxide is a chemical compound that contains at least one oxygen atom and one other element in its chemical formula. Metal oxides typically contain an anion of oxygen in the oxidation state of ₂.

Deutsch: Erz / Español: Mena / Português: Minêrio / Français: Minerai
An ore is a type of rock that contains minerals with important elements including metals. The ores are extracted through mining; these are then refined to extract the valuable element(s).

Deutsch: Organisation / Español: Organización / Português: Organização / Français: Organisation / Italiano: Organizzazione
An organization (or organisation) is a social entity that has a collective goal and is linked to an external environment. The word is derived from the Greek word organon, itself derived from the better-known word ergon which means organ a compartment for a particular task.

Deutsch: Öle / Español: Aceite / Português: Óleo / Français: Huile

An oil is any neutral, nonpolar chemical substance, that is a viscous liquid at ambient temperatures, and is immiscible with water but soluble in alcohols or ethers. Oils have a high carbon and hydrogen content and are usually flammable and slippery. Oils may be animal, vegetable, or petrochemical in origin, and may be volatile or non-volatile.