Definition of noosphere in US English:

noosphere

noun

  • A postulated sphere or stage of evolutionary development dominated by consciousness, the mind, and interpersonal relationships (frequently with reference to the writings of Teilhard de Chardin).

    • ‘They were the most intelligent animals of their time, but they never developed the use of tools or a memetic noosphere.’
    • ‘He foresaw some immense consequences, mostly of the positive kind, that the appearance and development of the noosphere entailed for mankind.’
    • ‘Perhaps this, in turn, can slowly transform the memesphere into what Pierre Teilhard de Chardin calls the noosphere, the realm not just of collective mind, but also collective consciousness.’
    • ‘Humans add a formalized degree of consciousness to the morphic field - the noosphere - and, more importantly, a frequency of imagination.’
    • ‘The appearance of man in evolutionary history marks the emergence of self-consciousness and has added to the earth, superimposed as it were upon the biosphere, a new dimension, the noosphere, or domain of thought.’

Origin

1940s: from French noösphere, based on Greek noos ‘mind’.

Pronunciation

noosphere

/ˈnōəˌsfir/