2. The distance covered, as on a racecourse: Leonar ran three laps around the track before tripping and falling down just before the finish line.
3. To move food or liquid to the mouth using the tongue: The dog laps the water quickly because it is very thirsty.
2. To subside or to sink away gradually from a typical pattern of belief or behavior: Brittney was ill and slowly began to lapse into a coma.
At the international racing competition, the Lapps ran three consecutive laps when they only needed to run two laps; the runners later decided they had a slight lapse of memory about how many laps to run.
They were so tired that they sat on the benches with bottles of water on their laps and they joked that they hoped that they didn't have another relapse of memory or at least not until there was an elapse of several years.
The variable involved is temperature unless specified otherwise. The lapse rate is the rate of decrease with height and not simply the rate of change.
While most often applied to the earth's atmosphere, the concept can be extended to any gravitationally supported ball of gas.2. The rate of decrease of temperature with elevation in the atmosphere.
The environmental lapse rate is determined by the distribution of temperature in the vertical at a given time and place and should be carefully distinguished from the process lapse rate, which applies to an individual air parcel.