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naïve

 [nah-ēv´]
not previously exposed to therapy or treatment.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

naive

or

naïve

(nī-ēv′, nä-) also

naif

or

naïf

(nī-ēf′, nä-)
adj.
Not having experienced or been subjected to something, as:
a. Not previously subjected to experiments: testing naive mice.
b. Not having previously taken or received a particular drug: patients naive to antipsychotic medication.

na·ive′ly adv.
na·ive′ness n.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
Immunology Referring to a person or an immune system which has not been previously exposed to a particular antigen and thus doesn’t form antibodies against the antigen
Vox populi Innocent, unsophisticated, artless, ingenuous, unworldly, trusting
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.
References in periodicals archive ?
According to local guide Illyas Ceetheragath, the Naif Souq is a perfect sport for purchasing abayas and textile for hijabs.
According to the RTA, the first phase of the project will see the full closure of Naif Road in the direction from Omar Bin Al Khattab Street towards Al Musallah Street till July 22.
"All bus routes serving bus stops of Naif Junction 2 and Burj Nahar Junction 2 would be suspended.
Testing for the new initiative called 'Project Masar' began in January and since then, there has been a 63 per cent reduction in traffic related congestion on Naif Road.
In a speech on the occasion, Prince Naif hailed progress achieved by the university.
The mother went to Naif police station and asked if they could help her find her daughter.
He expressed confidence in HRH Prince Mohammed bin Naif bin Abdul Aziz, Saudi Minister of Interior to bear the responsibilities in the footsteps of the late Prince Naif.
Madinah, Rajab 14, 1437, April 21, 2016, SPA -- Prince Saud bin Naif, the Governor of the Eastern Region, who is also President of Supreme Commission of Prince Naif bin Abdulaziz Al Saud World Award for Prophet's Sunnah and Contemporary Islamic Studies, patronized here on Wednesday evening the closing ceremony of Prince Naif bin Abdulaziz 11th Competition for Memorization of Prophet's Hadith.
RIYADH: Crown Prince Salman, deputy premier and minister of defense, yesterday distributed Prince Naif International Prize for Prophet's Sunnah and Contemporary Islamic Studies to its winners.