What is life?

  • (noun): Animation and energy in action or expression.
    Example: "It was a heavy play and the actors tried in vain to give life to it"
    Synonyms: liveliness, spirit, sprightliness
    See also — Additional definitions below

Life

Life (cf. biota) is a characteristic that distinguishes objects that have signaling and self-sustaining processes from those that do not, either because such functions have ceased (death), or else because they lack such functions and are classified as inanimate. Biology is the science concerned with the study of life.

Read more about Life.

Some articles on life:

Ecology - Relation To The Environment
... interlinked, and contains resources for organisms at any time throughout their life cycle ... There is an interpenetration of cause and effect between the environment and life ...
International Space Station - Station Systems - Life Support
... The Russian orbital segment's life support systems are contained in the Service Module Zvezda ... The MLM Nauka laboratory has a complete set of life support systems ...
Faith in Other Spiritual Traditions - Meher Baba
... kinds of faith (i) faith in oneself, (ii) faith in the Master and (iii) faith in life ... Faith is so indispensable to life that unless it is present in some degree, life itself would be impossible ... of faith that cooperative and social life becomes possible ...
Half-life in Biology and Pharmacology
... A biological half-life or elimination half-life is the time it takes for a substance (drug, radioactive nuclide, or other) to lose one-half of its ... In a medical context, the half-life may also describe the time that it takes for the concentration in blood plasma of a substance to reach one-half of its steady-state value (the "plasma half-life") ... For example, the biological half-life of water in a human being is about seven to 14 days, though this can be altered by his/her behavior ...
Widukind - Life
... Very little is known about Widukind's life ... There are no sources about Widukind's life or death after his baptism ... Widukind may have spent the rest of his life ...

More definitions of "life":

  • (noun): The organic phenomenon that distinguishes living organisms from nonliving ones.
    Example: "There is no life on the moon"
  • (noun): A prison term lasting as long as the prisoner lives.
    Example: "He got life for killing the guard"
    Synonyms: life sentence
  • (noun): The condition of living or the state of being alive.
    Example: "While there's life there's hope"; "life depends on many chemical and physical processes"
    Synonyms: animation, living, aliveness
  • (noun): The period from the present until death.
    Example: "He appointed himself emperor for life"
  • (noun): A motive for living.
    Example: "Pottery was his life"
  • (noun): The course of existence of an individual; the actions and events that occur in living.
    Example: "He hoped for a new life in Australia"; "he wanted to live his own life without interference from others"
  • (noun): Living things collectively.
    Example: "The oceans are teeming with life"
  • (noun): The experience of living; the course of human events and activities.
    Example: "He could no longer cope with the complexities of life"
    Synonyms: living
  • (noun): A characteristic state or mode of living.
    Example: "Social life"; "city life"; "real life"
  • (noun): The period during which something is functional (as between birth and death).
    Example: "The battery had a short life"; "he lived a long and happy life"
    Synonyms: lifetime, lifespan
  • (noun): A living person.
    Example: "His heroism saved a life"
  • (noun): The period between birth and the present time.
    Example: "I have known him all his life"

Famous quotes containing the word life:

    I see a man’s life is a tedious one.
    William Shakespeare (1564–1616)

    Life is the desert, life the solitude,
    Death joins us to the great majority.
    Edward Young (1683–1765)

    The destructive character lives from the feeling, not that life is worth living, but that suicide is not worth the trouble.
    Walter Benjamin (1892–1940)