nes·cience (nĕshəns, nĕshē-əns, nēsh-, nĕsē-əns, nēsē-)
1. Absence of knowledge or awareness; ignorance.
[Late Latin nescientia, from Latin nesciēns, nescient-, present participle of nescīre, to be ignorant : ne-, not; see ne in the Appendix of Indo-European roots + scīre, to know; see skei- in the Appendix of Indo-European roots.]
nescient adj. & n.
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