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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 periodicals archive ?
In November 2014 the payment was received into the other firm's account and an email was sent by Ager to the company purporting to show a third party was owed PS354,618.
The co-founders of AGER have more than 20 years of real estate experience and have overseen and launched more than US$500 million as executives of their previous company over the last 2 years and within only one year at AGER, have already developed a US$1.
Talking about "former pupil A", panel chair Steve Powell told yesterday's hearing: "He had been involved in sexual relations with Ms Ager for one or two months.
Hannah Reynolds, internet services director at Zarr, said: "Zarr enjoys working with independent retailers such as Charles Ager as they benefit from the tremendous results of trading online.
More and more people are shopping over the internet and looking for the high-quality products and broad choice that Charles Ager has to offer.
Talking about "former pupil A", panel chair Steve Powell told yesterday's hearing: "He had been involved in a sexual relations with Ms Ager for one or two months.
Ms Ager, who resigned on March 20, 2008, was also given "positive" references by then head Mr James after her alleged inappropriate relationship, the hearing was told.
Mr Ager, aged 79, from Sunbury-on-Thames, watched emotionally as landing craft approached the shore, recreating the scene he was part of exactly 60 years ago.
The daffodil varieties selected will tolerate the harsh roadside environment and they will come back each spring," said Ager.
The pupil told the hearing that when he revealed to her that he was actually 16, Ms Ager, who never taught him directly, "said that as long as I kept quiet, everything would be okay".
Updata Capital, a leading investment bank specializing in mergers and acquisitions for the information technology industry, today announced that Greg Ager has joined the firm as a Partner, based in the Reston, Virginia office.