tender wing

‘tendoz,win mn. a newcomer or beginner in the art of flight; an aerial nevice or amateur; a fledgling. tense tens adj. being rn a state of tension; styetcht until tight; rigid; net lax; taut, as the envelop of a balloon. tension-buffer ‘tenjon,bafoz n. a buffer, as of rubber, as on the axle of a skid-wheel, for providing or regulating tension or strain. tension-wire ‘tenfon,waiz n. a wire, as in an aeroplane flying-machine, by which a strain of tension is applied; a wire which regulates or provides tensil stgain. terra firm a,tea’fs:z-mo n. 4. firm or solid earth; dry land, as distinguisht from water; the land. 2. the earth or land, as distinguisht from the air or atmosfere; the ground. terrain,te’zoon n. the ground, or any portion of the land surface. terrestrial to’zestri-ot adj. of or pertaining to the earth; earthly: opposed to celestial; also, pertainrng to the land area as distinguisht from the water-area of the globe, or to the land or earth as distinguisht from, or as centemplated from, the air or atmosfere. tertial ‘tezSot n. a tertiary flight-fether; one of the pennae or large fethers of a bird’s wing of the third set, which grows on the elbow or upper arm; a tertiary. tertiary ‘tez\i,eir n. a tertiary flight-fether; one of the remiges or wing-fethers seated upon the upper arm or humerus of a bird; a specialized inner secondary; one of the innermost remiges of the pteryla alarzs; a tertial. test-balloon ‘test-bo,uun 2. a small balloon or inflated bladder let fly in the air to test the direction or velecrty of the wind. tetrahedral,tetra’hrii-drat adj. pertainrng to a tetrahedron or to a system of forms to which the tetgahedron belongs: as, Bell’s *tetrahedral kites. tetrahedron,tetro’hri-dian n. [ploral tetrahedra, tetrahedrons| a selsd figure or form comprehended under, or bounded by, four planes; also, the regular tetrahedron whose sides are four equilateral triangles; the triangular pyramid. thermogram ‘@s8:z-ma,gem n. the sheet record of a self regzrsterrng thermometer. thermometer §2z,mem i-tez 2. an instrument for me suring temperature, as of the atmosfere. black-bulb thermometer in vacuo, a form of solar-radiation thermometer or1ginated by John Herschel; a mercurial thermometer having the bulb and a portion of the stem coverd with lampblack, the whole being placed rn a gla yacuumztube to prevent le of heat by cenvection. It is eften used along with a bright-bulb therm-meter similarly encased. Celsius thermometer, a thermometer r1ntroduced by Celsius 1n 1736, 1n which the zero is at the boiling-point of water, and the roozdegreezmark at the melting-point of. ice. This thermometer, by whose use plus and minus degrees xin ordinary atmosferrc temperatures are averded, san i never been extensivly used. centigrade thermometer, a thermometer ener Stns by Linnaeus, 1n which the zero is at the freezzngzpernt of water and the 100degre-mark at the boiling-point of water. This thermometer 1s rn common use rn many countries of the continent of Europe, and is there and elsewhere extensrvly empleyd in scientific work. Fahrenheit thermometer, a therm-meter devised by Fahrenheit, 1n which the zero is at 32 degrees below the melting-point of ice, and the 212-degre-mark at the berlingpoint of water. This therm-meter 1s in common use in English-speaking countries and in Holland maximum thermometer, a therm-meter which regrsters the maximum temperature to which it 1s exposed, as those of Rutherford, Phillips, and Negrettz. minimum thermometer, a therm-meter which registers the minimum temperature to which it 1s exposed, as the alcohol minimum thermometer devised by Rutherford in 1794. Réaumur’s thermometer, a thermometer 1n which the zero is at the freezing-point of water and the 80degre-mark at the boiling-point of water. This therm-meter was formerly extensivly used in Germany and Ru ia.