age

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age

1. 
a. a period of history marked by some feature or characteristic; era
b. (capital when part of a name): the Middle Ages; the Space Age
2. Geology palaeontol
a. a period of the earth's history distinguished by special characteristics
b. the period during which a stage of rock strata is formed; a subdivision of an epoch
3. Myth any of the successive periods in the legendary history of man, which were, according to Hesiod, the golden, silver, bronze, heroic, and iron ages
4. Psychol the level in years that a person has reached in any area of development, such as mental or emotional, compared with the normal level for his chronological age
5. of age adult and legally responsible for one's actions (usually at 18 or, formerly, 21 years)

Age

 

in humans, a stage of development that is characterized by specific regularities of formation of the organism and personality and by relatively stable morphophysiological and psychological traits. While age is a stage in the biological maturing of the organism, a process controlled by genetic factors, it is also a concrete result and stage of the social-psychological development of the personality and is determined by the conditions of life, training, and upbringing.

The content and form of training and upbringing are historically composed and varied according to age; in their turn they affect the determination of the boundaries and possibilities of a given age. In contemporary pedagogy and developmental psychology, several ages are differentiated with respect to the known relationships of the boundaries: infancy (from birth to one year); pre-preschool, or early childhood (from one to three); preschool (from three to seven); early school age (from seven to ten years); juvenile, or middle school (from ten to 15); and late school, or early youth (15 to 18 years old). Beyond these limits there is no generally accepted classification in the literature; only old age is considered separately. With the increased longevity noted in the 20th century, gerontology and gerontopsychology have arisen as disciplines to study the problems of prolonging the active life of a human being. Each age has a characteristic structure of cognitive, emotional, and volitional properties and qualities; forms of behavior; types of relationships to the environment; and peculiarities of structure and functioning of various organs and systems of the organism. This structure, however, is not invariable: in the 20th century a general acceleration of the physical and mental development of children has been noted. On the other hand, educational theory, in solving the problem of optimizing training, widens the possibilities of age and the boundaries of acquiring knowledge. Training must take into account not only the level of development achieved but also the development perspectives (the concept of “zones of imminent development,” as formulated by L. S. Vygotskii): the teacher must know not only what is present in a child of a given age but also what can be achieved, given certain conditions, by the child in the near future.

A. V. PETROVSKII

age

[āj]
(biology)
Period of time from origin or birth to a later time designated or understood; length of existence.
(geology)
Any one of the named epochs in the history of the earth marked by specific phases of physical conditions or organic evolution, such as the Age of Mammals.
One of the smaller subdivisions of the epoch as geologic time, corresponding to the stage or the formation, such as the Lockport Age in the Niagara Epoch.

AGE

(aerospace engineering)
References in classic literature ?
Besides the usual deformities in extreme old age, they acquired an additional ghastliness, in proportion to their number of years, which is not to be described; and among half a dozen, I soon distinguished which was the eldest, although there was not above a century or two between them.
Otherwise, as avarice is the necessary consequence of old age, those immortals would in time become proprietors of the whole nation, and engross the civil power, which, for want of abilities to manage, must end in the ruin of the public.
His wide experience of men and things is manifest in the life-likeness and mature power of his poetry, and it accounts in part for the broad truth of all but his earliest work, which makes it essentially poetry not of an age but for all time.
There is much interest in the question often raised whether, if he had lived in an age like the Elizabethan, when the drama was the dominant literary form, he too would have been a dramatist.
The active moral impulse which Chaucer and Gower lacked, and a consequent direct confronting of the evils of the age, appear vigorously in the group of poems written during the last forty years of the century and known from the title in some of the manuscripts as 'The Vision of William Concerning Piers the Plowman.' From the sixteenth century, at least, until very lately this work, the various versions of which differ greatly, has been supposed to be the single poem of a single author, repeatedly enlarged and revised by him; and ingenious inference has constructed for this supposed author a brief but picturesque biography under the name of William Langland.
There is no age or state of society or mode of action in history to which there is not somewhat corresponding in his life.
What the former age has epitomized into a formula or rule for manipular convenience, it will lose all the good of verifying for itself, by means of the wall of that rule.
Except that I still had some trouble with my wound, behold me now to all appearance one of the most enviable of existing mortals; promoted to the position of a wealthy gentleman; possessor of a house in London and of a country-seat in Perthshire; and, nevertheless, at twenty-three years of age, one of the most miserable men living!
For let me tell you, Socrates, that when a man thinks himself to be near death, fears and cares enter into his mind which he never had before; the tales of a world below and the punishment which is exacted there of deeds done here were once a laughing matter to him, but now he is tormented with the thought that they may be true: either from the weakness of age, or because he is now drawing nearer to that other place, he has a clearer view of these things; suspicions and alarms crowd thickly upon him, and he begins to reflect and consider what wrongs he has done to others.
Hope, he says, cherishes the soul of him who lives in justice and holiness and is the nurse of his age and the companion of his journey;--hope which is mightiest to sway the restless soul of man.
The ever-increasing intellectual burden of our age is hardly likely to adapt itself to the exquisite, but perhaps too delicate and limited, [15] literary instruments of the age of Queen Anne.
Perhaps his greatest merit is that he kept his independence in an age when writers fawned upon patrons or accepted bribes from Whig or Tory.