spin down
91airplane spin — noun : a professional wrestling maneuver in which the opponent is picked up in a crotch and head hold, lifted onto the back, whirled about in the air, and thrown forward to the mat * * * Wrestling. a maneuver in which a wrestler, grasping an… …
92top|spin — «TOP SPIHN», noun. a forward rolling motion given to a ball in the direction of its flight or roll, as in tennis or billiards. A baseball pitcher who throws a drop gives the ball topspin to make it curve down. »His game, emphasizing tricky… …
93go\ into\ a\ tail\ spin — • go into a tailspin • go into a nose dive 1. v. phr. informal To fall or go down badly; collapse; give up trying. The team went into a tailspin after their captain was hurt, and they were badly beaten. 2. informal To become very anxious,… …
94Physical Sciences — ▪ 2009 Introduction Scientists discovered a new family of superconducting materials and obtained unique images of individual hydrogen atoms and of a multiple exoplanet system. Europe completed the Large Hadron Collider, and China and India took… …
95spectroscopy — spectroscopist /spek tros keuh pist/, n. /spek tros keuh pee, spek treuh skoh pee/, n. the science that deals with the use of the spectroscope and with spectrum analysis. [1865 70; SPECTRO + SCOPY] * * * Branch of analysis devoted to identifying… …
96Wave function — Not to be confused with the related concept of the Wave equation Some trajectories of a harmonic oscillator (a ball attached to a spring) in classical mechanics (A B) and quantum mechanics (C H). In quantum mechanics (C H), the ball has a wave… …
97Atom — The atom is the smallest unit of an element that retains the chemical properties of that element. An atom has an electron cloud consisting of negatively charged electrons surrounding a dense nucleus. The nucleus contains positively charged… …
98atom — /at euhm/, n. 1. Physics. a. the smallest component of an element having the chemical properties of the element, consisting of a nucleus containing combinations of neutrons and protons and one or more electrons bound to the nucleus by electrical… …
99Negative temperature — In physics, certain systems can achieve negative temperatures; that is, their thermodynamic temperature can be a negative quantity. Negative temperatures can be expressed as negative numbers on the kelvin scale. Temperatures that are expressed as …
100nanotechnology — /nan euh tek nol euh jee, nay neuh /, n. any technology on the scale of nanometers. [1987] * * * Manipulation of atoms, molecules, and materials to form structures on the scale of nanometres (billionths of a metre). These nanostructures typically …
