Glossary P
A phosphor is a substance that exhibits the phenomenon of luminescence; it emits light when exposed to some type of radiant energy. The term is used both for fluorescent or phosphorescent substances which glow on exposure to ultraviolet or visible light, and cathodoluminescent substances which glow when struck by an electron beam (cathode rays) in a cathode-ray tube.
Deutsch: Schlaginstrument / Español: Instrumento de percusión / Português: Instrumento de percussão / Français: Instrument de percussion / Italiano: Strumento a percussione
A percussion instrument is a musical instrument that is sounded by being struck or scraped by a beater (including attached or enclosed beaters or rattles); struck, scraped or rubbed by hand; or struck against another similar instrument.. The percussion family is believed to include the oldest musical instruments,, following the human voice.
Deutsch: Projektil / Español: Proyectil / Português: Projêtil / Français: Projectile / Italiano: Proiettile
A projectile is any object projected into space (empty or not) by the exertion of a force. Although any object in motion through space (for example a thrown baseball) may be referred to as a projectile, the term more commonly refers to a ranged weapon.[1][2] Mathematical equations of motion are used to analyze projectile trajectory.
Plush (from French peluche) is a textile having a cut nap or pile the same as fustian or velvet. Its softness of feel gave rise to the adjective "plush" to describe something soft or luxurious, which was extended to describe luxury accommodation, or something rich and full.
Deutsch: Polyurethan / Español: Poliuretano / Português: Poliuretano / Français: Polyurêthane / Italiano: Poliuretano
Polyurethane (PUR and PU) is a polymer composed of a chain of organic units joined by carbamate (urethane) links. While most polyurethanes are thermosetting polymers that do not melt when heated, thermoplastic polyurethanes are also available.
Deutsch: Pedal / Español: Pedal / Português: Pedal / Français: Pêdale / Italiano: Pedale
A pedal (from the Latin pes, pedis, meaning 'foot') is a lever activated by one's foot.
Deutsch: Anwesenheit / Français: Prêsence
In the industrial context, "presence" typically refers to the detection or sensing of the existence of something, usually with the aid of sensors, cameras, or other technology.