Glossary F
Deutsch: Fossil / Español: Fósil / Português: Fóssil / Français: Fossile / Italiano: Fossile
Fossils (from Classical Latin fossilis, literally "obtained by digging") are the preserved remains or traces of animals (also known as zoolites), plants, and other organisms from the remote past. The totality of fossils, both discovered and undiscovered, and their placement in fossiliferous (fossil-containing) rock formations and sedimentary layers (strata) is known as the fossil record.
Deutsch: Filter
In the industrial and industry context, a filter is a device or system that is designed to remove or separate unwanted substances or impurities from a fluid, gas, or material. Filters are used in a wide range of industrial applications to improve the quality, purity, or safety of products and processes.
Deutsch: Schaum / Español: Espuma / Português: Espuma / Français: Mousse (physique) / Italiano: Schiuma
A foam is a substance that is formed by trapping pockets of gas in a liquid or solid. A bath sponge and the head on a glass of beer are examples of foams. In most foams, the volume of gas is large, with thin films of liquid or solid separating the regions of gas. An important division of solid foams is into closed-cell foams and open-cell foams.
Deutsch: Faser / Español: Fibra textil / Português: Fibra / Français: Fibre / Italiano: Fibra tessile
Fiber (from the French fibre) is a rope or string used as a component of composite materials, or matted[disambiguation needed] into sheets to make products such as paper or felt. Fibers are often used in the manufacture of other materials. The strongest engineering materials are generally made as fibers, for example carbon fiber and Ultra-high-molecular-weight polyethylene.
Deutsch: Familie / Español: Familia / Português: Família / Français: Famille / Italiano: Famiglia
In human context, a family (from Latin: familia) is a group of people affiliated by consanguinity (by recognized birth), affinity (by marriage), or co-residence/shared consumption.
Fishlanding nets are small bag-like net attached to a long handle, for taking a hooked fish from the water.
Deutsch: Fluid / Español: Fluido / Português: Fluido / Français: Fluide / Italiano: Fluido
In physics, a fluid is a substance that continually deforms (flows) under an applied shear stress. Fluids are a subset of the phases of matter and include liquids, gases, plasmas and, to some extent, plastic solids.