-
1 momentum mo·men·tum n
[məʊ'mɛntəm]Phys momento, quantità f inv di moto, fig slancio, impeto, velocità f inv acquisitato gather or gain momentum — (vehicle, person) acquistare or prendere velocità, aumentare di velocità, fig prendere or guadagnare terreno
to lose momentum — (vehicle, person) perdere velocità, fig perdere vigore
-
2 buoyancy buoy·an·cy n
['bɔɪənsɪ]Phys galleggiamento, (of ship, object) galleggiabilità, (fig: of person) ottimismo -
3 critical mass
-
4 decay de·cay
[dɪ'keɪ]1. vi(teeth) cariarsi, (vegetation, flesh) decomporsi, (Phys: radioactive nucleus) disintegrarsi, (building, urban area) andare in rovina, (fig: civilization) decadere, (one's faculties) deteriorarsi2. n(of teeth) carie f, (of vegetation, body) decomposizione f, (of radioactivity) disintegrazione f, (of building, urban area) stato di abbandono, decadimento, (of civilization) rovina, (of faculties) deterioramento -
5 particle par·ti·cle n
['pɒːtɪkl] -
6 pulse n
[pʌls]Anat polso, Phys impulso, (fig: of drums, music) vibrazione fto feel or take sb's pulse — sentire or tastare il polso a qn
-
7 radiant ra·di·ant adj
['reɪdɪənt](Phys: heat) radiante, (light) sfolgorante, fig -
8 shell ***
[ʃɛl]1. n1) (of egg, nut, tortoise) guscio, (of oyster, mussel) conchiglia, (of lobster) corazza, guscio, Phys guscio elettronico2) (of building) struttura, scheletro, (of ship) ossatura3) Mil granata2. vt1) (nuts) sgusciare, (peas, beans) sgranare2) Mil bombardare• -
9 spectrum spec·trum n
['spɛktrəm]spectra pl Phys spettro, fig gamma -
10 wave ****
[weɪv]1. n1) (gen) Phys, Radio onda, (in hair, on surface) ondulazione f, (fig : of enthusiasm, strikes etc) ondatashort/medium/long wave Radio — onde fpl corte/medie/lunghe
the new wave Cine — la nouvelle vague, Mus la new wave
2) (greeting) cenno di saluto, (signal) gesto, cenno2. vt1) (brandish: flag, banner, handkerchief) sventolare, (stick, umbrella) agitare, (beckon, motion) far segno ato wave sb goodbye; wave goodbye to sb — salutare qn con la mano
2) (hair) ondulare3. vi1) (person) gesticolareto wave to or at sb — fare un cenno a qn
2) (flag, branches etc) ondeggiare, sventolare3) (hair) essere mosso (-a) or ondulato (-a)•- wave off- wave on -
11 wavelength wave·length n
['weɪvˌlɛŋθ]Phys Radio lunghezza d'onda
См. также в других словарях:
Doubochinski's pendulum — Fig.1. Schematics of the Doubochinski’s pendulum Doubochinski’s pendulum is a classical oscillator interacting with a high frequency field in such a way that the oscillator takes on a discrete set of stable regimes of oscillation, each at a… … Wikipedia
Cross-polarized wave generation — Fig. 1. Cross polarized wave (XPW) generation is a nonlinear optical process that can be classified in the group of frequency degenerate [four wave mixing] processes. It can take place only in media with anisotropy of third order nonlinearity. As … Wikipedia
point — 1. point [ pwɛ̃ ] n. m. • 1175 « endroit, moment »; lat. punctum « piqûre », de pungere → poindre I ♦ A ♦ Portion de l espace déterminée avec précision. 1 ♦ Endroit, lieu. En divers, en plusieurs points. « il relevait la tête et fixait son regard … Encyclopédie Universelle
Polaron — A polaron is a quasiparticle composed of a charge and its accompanying polarization field. A slow moving electron in a dielectric crystal, interacting with lattice ions through long range forces will permanently be surrounded by a region of… … Wikipedia
Marcus theory — is a theory originally developed by Rudolph A. Marcus, starting in 1956, to explain the rates of electron transfer reactions – the rate at which an electron can move or jump from one chemical species (called the electron donor) to another (called … Wikipedia
Crystal structure of boron-rich metal borides — Two single crystals of YB66 (1 cm diameter) grown by floating zone technique using (100) oriented seeds. In the top crystal, the seed (left from the black line) has same diameter as the crystal. In the bottom crystal (sliced), the seed is much… … Wikipedia
absorber — [ apsɔrbe ] v. tr. <conjug. : 1> • assorber « engloutir » mil. XIe; lat. absorbere I ♦ 1 ♦ Laisser pénétrer et retenir (un fluide, des particules, un rayonnement) dans sa substance. Le sable absorbe l eau. ⇒ s imbiber, s imprégner. Le… … Encyclopédie Universelle
noir — noir, noire [ nwar ] adj. et n. • XIIe ; neir 1080; lat. niger I ♦ Adj. A ♦ (Concret) 1 ♦ Se dit de l aspect d un corps dont la surface ne réfléchit aucune radiation visible, dont la couleur est aussi sombre que possible (⇒ noirceur; noircir;… … Encyclopédie Universelle
poids — [ pwa ] n. m. • 1564; poids par fausse étym. du lat. pondus; peis, poisXIIe; lat. pensum « ce qui est pesé » I ♦ Force due à l application de la pesanteur sur les corps matériels; mesure de cette force. 1 ♦ Cour. Masse. ♢ Sc. Force exercée sur un … Encyclopédie Universelle
rayon — 1. rayon [ rɛjɔ̃ ] n. m. • 1531; de rai, lat. radius 1 ♦ Trace de lumière en ligne ou en bande. ⇒ 1. jet, rai, 1. trait. Un rayon de soleil, de lune. « Parfois un rayon perçait les nuages » (Green). « en apercevant, par la fente d un auvent, un… … Encyclopédie Universelle
séparer — [ separe ] v. tr. <conjug. : 1> • 1314; lat. separare I ♦ 1 ♦ Faire cesser (une chose) d être avec une autre; faire cesser (plusieurs choses) d être ensemble. ⇒ couper, 1. détacher, disjoindre, 1. écarter, isoler. La tête avait été séparée… … Encyclopédie Universelle