concealment

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con·ceal·ment

(kŏn-sēl'mĕnt)
The collection of research data or the provision of an intervention without participant's knowledge or consent.

concealment

(kŏn-sēl′mĕnt)
1. In medicolegal affairs, failure to provide information or evidence.
2. In research, a technique to guarantee blinding of subjects and investigators.
3. In patient care, shielding a patient from his diagnosis.
4. In plastic surgery, the hiding of a structure with an undesirable appearance.
5. In electrocardiography, the invisibility of a rhythm or conduction disturbance.
6. In emergency or military medicine, hiding behind a curtain or bush to make it difficult for an assailant to see or direct gunfire toward one.
References in classic literature ?
Douglas and Barker are both in a conspiracy to conceal something; that they aided the murderer's escape--or at least that they reached the room before he escaped--and that they fabricated evidence of his escape through the window, whereas in all probability they had themselves let him go by lowering the bridge.
On the other side of this hedge, concealed from the eyes of anyone approaching from the direction of the house, there was a stone seat.
Lothario then retired, and the next day Anselmo, under pretence of going to his friend's country house, took his departure, and then returned to conceal himself, which he was able to do easily, as Camilla and Leonela took care to give him the opportunity; and so he placed himself in hiding in the state of agitation that it may be imagined he would feel who expected to see the vitals of his honour laid bare before his eyes, and found himself on the point of losing the supreme blessing he thought he possessed in his beloved Camilla.
Camilla was not long in recovering from her fainting fit and on coming to herself she said, "Why do you not go, Leonela, to call hither that friend, the falsest to his friend the sun ever shone upon or night concealed? Away, run, haste, speed!
He had even thought of retreating beyond a curvature in the natural wall, which might still conceal him and his companions, when by the sudden gleam of intelligence that shot across the features of the savage, he saw it was too late, and that they were betrayed.
That, and the mystery concealed behind it, supplied a topic for discussion between acquaintances meeting in the street, and good women gossiping at their open windows.
'You would see the child, and you would not see the child; you would be concealed and discovered both together.
"Yes--yes--I will conceal my misery from others," cried Charles, springing on his feet and rushing from the room; "would to God I could conceal it from myself!"
Practice, says Captain Bonneville, has given such a quickness of eye to the experienced trapper in all that relates to his pursuit, that he can detect the slightest sign of beaver, however wild; and although the lodge may be concealed by close thickets and overhanging willows, he can generally, at a single glance, make an accurate guess at the number of its inmates.
The place seemed silent and deserted, so he took the opportunity of concealing himself near the spot whence he had seen Oolanga trying to investigate whatever was concealed behind the iron door.
In the further and lighter compartment, Aramis, stooping and concealed, was busy with some mysterious maneuver.
"Do not let us talk about it, then," said Madame de Belliere, who detected the ill-nature that was concealed by all these prefaces, yet felt the most anxious curiosity on the subject.