I think that you are probably mistaking the word landgfill for the word 'landfill' and a landfill is a low area of land that is built up from deposits of solid refuse in layers covered by soil. Landfill is the name given to garbage dumps, rubbish tips etc.Typically the local authority finds what they hope is a suitable site, perhaps an old quarry, and then all the garbage collected from residents is dumped there.andfill is the name given to garbage dumps, rubbish tips etc. Typically the local authority finds what they hope is a suitable site, perhaps an old quarry, and then all the garbage collected from residents is dumped there.
The definition of longevity is the amount of time your life or your term of service lasts. An example of longevity is the amount of time you work in a given career. longevity. length of time spent in service, employment, etc.
the length of time during which a being or thing has existed; length of life or existence to the time spoken of or referred to: trees of unknown age; His age is 20 years. 2. a period of human life, measured by years from birth, usually marked by a certain stage or degree of mental or physical development and involving legal responsibility and capacity: the age of discretion; the age of consent; The state raised the drinking age from 18 to 21 years.