Glossary F
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.
Deutsch: Fußboden / Español: Piso / Português: Pavimento / Français: Plancher / Italiano: Pavimento
A floor is the walking surface of a room or vehicle. Floors vary from simple dirt in a cave to many-layered surfaces using modern technology. Floors may be stone, wood, bamboo, metal, or any other material that can hold a person's weight.
The levels of a building are often referred to as floors although a more proper term is storey.
Deutsch: Textilie
A fabric, textile or cloth is a flexible woven material consisting of a network of natural or artificial fibres often referred to as thread or yarn. Yarn is produced by spinning raw fibres of wool, flax, cotton, or other material to produce long strands. Textiles are formed by weaving, knitting, crocheting, knotting, or pressing fibres together (felt).