trajectory

• POS: Noun
• HYPHEN: tra=jec=to=ry

CIDE DICTIONARY

trajectory, n. [Cf. F. trajectoire.].

 The curve which a body describes in space, as a planet or comet in its orbit, or stone thrown upward obliquely in the air.  [1913 Webster]

OXFORD DICTIONARY

trajectory, n. (pl. -ies)
1 the path described by a projectile flying or an object moving under the action of given forces.
2 Geom. a curve or surface cutting a system of curves or surfaces at a constant angle.

Etymology

(orig. adj.) f. med.L trajectorius f. L traicere traject- (as TRANS-, jacere throw)

THESAURUS

trajectory

air lane, altitude peak, aphelion, apogee, astronomical longitude, automatic control, autumnal equinox, beat, blast-off, burn, burnout, ceiling, celestial equator, celestial longitude, celestial meridian, circle, circuit, colures, course, descent, ecliptic, end of burning, equator, equinoctial, equinoctial circle, equinoctial colure, equinox, flight, flight path, galactic longitude, geocentric longitude, geodetic longitude, great circle, heliocentric longitude, ignition, impact, itinerary, launch, lift-off, line, longitude, meridian, orbit, path, perigee, perihelion, period, primrose path, road, rocket launching, round, route, run, sea lane, shoot, shortcut, shot, small circle, solstitial colure, tour, track, trade route, traject, trajet, velocity peak, vernal equinox, walk, zodiac, zone

ROGET THESAURUS

trajectory

Method

N method, way, manner, wise, gait, form, mode, fashion, tone, guise, modus operandi, MO, procedure, path, road, route, course, line of way, line of road, trajectory, orbit, track, beat, tack, steps, stair, staircase, flight of stairs, ladder, stile, perron, bridge, footbridge, viaduct, pontoon, steppingstone, plank, gangway, drawbridge, pass, ford, ferry, tunnel, pipe, door, gateway, channel, passage, avenue, means of access, approach, adit, artery, lane, loan, alley, aisle, lobby, corridor, back-door, back-stairs, secret passage, covert way, vennel, roadway, pathway, stairway, express, thoroughfare, highway, turnpike, freeway, royal road, coach road, broad highway, King's highway, Queen's highway, beaten track, beaten path, horse road, bridle road, bridle track, bridle path, walk, trottoir, footpath, pavement, flags, sidewalk, crossroad, byroad, bypath, byway, cut, short cut carrefour, private road, occupation road, highways and byways, railroad, railway, tram road, tramway, towpath, causeway, canal, street, speedway, adv, how, in what way, in what manner, by what mode, so, in this way, after this fashion, one way or another, anyhow, somehow or other, by way of, via, in transitu, on the high road to, hae tibi erunt artes.