(v. t.) Sheltered; not open or exposed; retired; protected; as, a covert nook.
(v. t.) Under cover, authority or protection; as, a feme covert, a married woman who is considered as being under the protection and control of her husband.
(a.) A place that covers and protects; a shelter; a defense.
(a.) One of the special feathers covering the bases of the quills of the wings and tail of a bird. See Illust. of Bird.
Example Sentences:
(1) Roshan was the latest victim in what is widely seen as a covert war against the Islamic republic's nuclear programme.
(2) Subsequent studies have demonstrated covert face recognition using behavioural tasks.
(3) His reports alleged active, sustained and covert collusion to subvert the election which, if confirmed, could constitute treason.
(4) The bill, intended to increase and update intelligence agency powers, would create a new framework for covert operations involving conduct that would otherwise breach criminal law.
(5) Somehow, despite all this, the Obama administration thinks it can “destroy” Isis, though, as the Post noted , the US government has not been able to destroy al-Qaida or any terrorist group in the last decade “through two wars, thousands of drone strikes and hundreds of covert operations around the world.” The only question now is how far this Forever War against Isis goes.
(6) Boko Haram spies spread the rumour that she refused to covert from Christianity to Islam.
(7) In general, the two studies show that qualitative characteristics of completely covert generations influence their impact on estimates of the frequency of external events.
(8) The drug subculture, the addict's family, and a methadone clinic all covertly elicit and reinforce this transformation maintained by the myth that the addict's is "out of control".
(9) A series of experiments were conducted on three severe prosopagnosic patients in an attempt to understand better this phenomenon known as covert face recognition, the conditions for its occurrence, and its functional locus.
(10) "Instead of actually fighting a conventional war, western powers and their allies appear to be relying on covert war tactics to try to delay and degrade Iran's nuclear advancement," Theodore Karasik, a security expert at the Dubai-based Institute for Near East and Gulf Military Analysis told Associated Press.
(11) The repurposing of the devices of unwitting users in foreign jurisdictions for covert attacks in the interests of one country’s national priorities is a dangerous precedent – contrary to international norms, and in violation of widespread domestic laws prohibiting the unauthorised use of computing and networked systems,” they conclude.
(12) Investigations mostly failed to show overt or covert face recognition, but NR performed at an above-chance level in selecting the familiar face on a task requiring a forced-choice between a familiar and an unfamiliar face.
(13) The covert self-evaluations were assumed to represent at internalization of early experiences of predominantly positive or negative social reinforcement from adult socializing agents.
(14) Richy Thompson, director of public affairs and policy at the British Humanist Association, welcomed the study, but said covert online access to abortion pills wasn’t enough.
(15) At the same time, by achieving a state of misery through following her mother's orders, she exposed her as ridiculous, and thus covertly discharged considerable aggression.
(16) Covert and overt depression was as frequent in the hysterectomized group as in the control group.
(17) The Information Commissioner's Office (ICO) said at Smith's tribunal that it believed some of the information held by the covert organisation and accessible to companies that subscribed to the service "could only have been supplied by the police or the security services".
(18) We now report that enhancement of calcium current in the peptidergic bag cell neurons of Aplysia by protein kinase C occurs through a different mechanism, the recruitment of a previously covert class of calcium channel.
(19) After all, the most basic freedom of all is the freedom to walk the streets unharmed and to sleep safe in our beds at night.” Parliament will soon debate the government’s first national security legislation bill to expand the powers of intelligence agencies and criminalise disclosure by any person of covert “special intelligence agencies”.
(20) It recommended that all radio communications taking place during undercover firearms operations should be recorded and covert armed response vehicles should be fitted with in-car data-recording systems.
Infiltrator
Definition:
Example Sentences:
(1) Patients with papillary carcinoma with a good cell-mediated immune response occurred with much lower infiltration of the tumor boundary with lymphocyte whereas the follicular carcinoma less cell-mediated immunity was associated with dense lymphocytic infiltration, suggesting the biological relevance of lymphocytic infiltration may be different for the two histologic variants.
(2) In spite of dense lymphocytic infiltration only 3% of the tumor infiltrating lymphocytes exhibit the activation marker CD 25.
(3) The statistical T value calculated for the LP-TAE group showed that the administration of LP, the tumor size, intrahepatic metastasis, portal vein infiltration, and serum total bilirubin and alpha-fetoprotein levels significantly (P < 0.01) affected the patients' survival.
(4) Diseases of the gastric musculature, including the inflammatory and endocrine myopathies, muscular dystrophies, and infiltrative disorders, can result in significant gastroparesis.
(5) High mortality, severe destruction of pancreatic B-cells and presence of sporadic mononuclear infiltrations in islets and around excretory ducts were observed.
(6) We identified four distinct clinical patterns in the 244 patients with true positive MAI infections: (a) pulmonary nodules ("tuberculomas") indistinguishable from pulmonary neoplasms (78 patients); (b) chronic bronchitis or bronchiectasis with sputum repeatedly positive for MAI or granulomas on biopsy (58 patients, virtually all older white women); (c) cavitary lung disease and scattered pulmonary nodules mimicking M. tuberculosis infection (12 patients); (d) diffuse pulmonary infiltrations in immunocompromised hosts, primarily patients with AIDS (96 patients).
(7) The yeasts amounts used did not protect the test animals from the kidney infiltration with lipids and cholesterol; 12 g of yeasts per 100 g of the ration promoted elevation of sialic acid content in the blood plasma.
(8) Liver weight was increased by 49% due to infiltration of the liver with leukemic cells.
(9) In case of biliary and pancreatic duct obstruction with pure pancreatic reflux, both oedema and inflammatory infiltrations were evident, whereas, in the presence of biliary reflux too, more serious histological features were detected.
(10) The nature of these infiltrative foci remains uncertain; however, they are unlikely to have been of neoplastic origin and may be due to interleukin-2-induced lymphocytic infiltration.
(11) Light microscopy of both apneics and snorers revealed mucous gland hypertrophy with ductal dilation and focal squamous metaplasia, disruption of muscle bundles by infiltrating mucous glands, focal atrophy of muscle fibers, and extensive edema of the lamina propria with vascular dilation.
(12) A statistically significant association (P less than 0.01) was demonstrated between the degree of intratumoral lymphocytic infiltrate and the expression of HLA-DR and HLA-DQ antigens.
(13) In the univariate life-table analysis, recurrence-free survival was significantly related to age, pTNM category, tumour size, presence of certain growth patterns, tumour necrosis, tumour infiltration in surrounding thyroid tissue and thyroid gland capsule, lymph node metastases, presence of extra-nodal tumour growth and number of positive lymph nodes, whereas only tumour diameter, thyroid gland capsular infiltration and presence of extra-nodal tumour growth remained as significant prognostic factors in the multivariate analysis.
(14) Of the tumor-infiltrating lymphocytes, T-lymphocytes (mostly CD4+ cells) prevailed over B-lymphocytes.
(15) In the area of the porta hepatis, there were many epithelial luminal structures in fibrous tissue with inflammatory infiltrates.
(16) Staplers were used and therefore the choice between resection or amputation was determined by the degree of loco-regional infiltration of the neoplasm.
(17) Cyclosporine prevented lymphoid as well as macrophage infiltration of the transplant.
(18) The data indicate that activated helper T cells are required and sufficient to give rise to the inflammatory infiltrates that are characteristic of the inflammations and exacerbations in human rheumatoid arthritis.
(19) The expanded tumor-infiltrating cells were Leu-4+ T cells, and in five of six patients the majority were Leu-3+.
(20) Furthermore, non-coordinate expression of DR and DQW1 was present in 8 out of 40 carcinomas, with the proportion of DQW1 positive epithelium always being less than that of DR. Carcinomas exhibiting non-coordinate expression were never well differentiated; there was no relationship with the extent of the inflammatory infiltrate.