road racing, direction finder, time trial, depth perception, stock car, dirt track, boundary layer, horse race, kick up, nerve cell, front end, dirt bike, setzer, car race, blast off, sauter, wind tunnel, focal plane, stunt pilot, line item, manilow, miles per gallon, atomic clock, roll of honour, world record, valvoline, fun run, beer bottle, disc brake, aspect ratio, warm up, quals, buell, short story, cold spell, belmont park, red flag, baseball game, weather forecast, night vision, running time, senior moment, mumm, drag race, shades of, instr, blue book, navajo, danl, rapid transit, first flight, frequency response, speeding ticket, third trimester, civil engineering, space capsule, mecum, scotts, chequered flag, subcompact car, john deere, travel time, test drive, accel, washed out, plt, solid rocket, digital camera, stillen, spy satellite, age group, commercial property, dvorak, tour de france, exhaust system, permanent magnet, carlito, audio amplifier, albers, jackie robinson, stravinsky, boat race, static electricity, tool chest, press association, bat boy, comparer, vital signs, pollen count, pit stop, fuel injection, t lymphocyte, iditarod, photovoltaic cell, groundspeed, mail call, hard drive, qty, swap meet, time frame, totalizer, carina

one-way light time, owlt, round-trip light time, rtlt

amount of time, period, period of time, time period