trochoidal

tro’kor-dl, ‘tro0,ke1-d! adj. pertaining to or having the nature of a trocherd: as, *tyocheidal curvs, a *tzocherdal wave.: trochoidal plane, see under plane. tru tzas ir. tie, bind, fasten; adjust, draw, make fast or stiffen as wath a tzu . tru tras n. a stiff frame; a combination of sath posts, and struts of wood, steel, or other material, constituting a rigid or unyielding frame, as that of the planes or wings of a doubl-deckt a crop lane flying-machine. tru -wire ‘izas,waiz #. one of the wires of a tru , as in an aeroplane flying-machine. tryout ‘tat,aut 1. the action or prece of trying out, as of a flying-machine; a trial or test. tube-whistle ‘tcuub,wisot 2. a light wind-blown. whistle made of bamboo tubes placed side by side, such.as the Chinese sometimes attach to the tail of a flying pigeon. turbulence ‘tezbjo-lons ”. the state or condition of being turbulent; disturbd state; agitation, commotion, as of the air. energy of turbulence, the energy of the turbulence, agitation, or commotion of a fluid, as the air; energy of winde - fluctuation; turbulenc-energy. motion of turbulence, the motion of a fluid, as the air, when ana state of turbulence or agitation; the movement of a fluid in commotion; motion of wind-fluctuation. velocity of turbulence, the veleczty of the motion of turbulence of a fluid, as the air; turbulence-vele city. turbulence-energy ‘tezbjutons,enaz-d31. the energy of the turbulence, agitation, or commotion of a fluid, as the air; energy of turbulence; energy of wind-fluctuation. turbulence-velocity ‘tszbjotons-vzesi-tz n. the velocity of a fluid in a state of turbulence or agitation; veleczty of turbulence; velocity of wind-fluctuation. turnbuckle ‘ts:in,bakel n. a screw device for connecting or drawing together two parts of a wire or metal red; a wire-tightener consisting of a right-hand and a left-hand screw, used for keeping taut the wire stays of aircraft; a strainer: as, an open *turnbuckle. turning-point ‘teznin,point 1. the pent or place in the air or atmosfere at which an airship turns, or changes or reverses its course, as rn erder to return to its starting-point. turtle ‘teztt n.. turn turtle, turn upside down; capsize: said of an airship. twilight ‘twarjart 1. the light from the sky when the sun is below the horizon at morning and evening; the:llumina-