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| a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question. |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| reject | |
| —vb | |
| 1. | to refuse to accept, acknowledge, use, believe, etc |
| 2. | to throw out as useless or worthless; discard |
| 3. | to rebuff (a person) |
| 4. | (of an organism) to fail to accept (a foreign tissue graft or organ transplant) because of immunological incompatibility |
| —n | |
| 5. | something rejected as imperfect, unsatisfactory, or useless |
| [C15: from Latin rēicere to throw back, from | |
| re'jectable | |
| —adj | |
| re'jecter | |
| —n | |
| re'jector | |
| —n | |
| re'jection | |
| —n | |
| re'jective | |
| —adj | |
rejection re·jec·tion (rĭ-jěk'shən)
n.
The act of rejecting or the state of being rejected.
The failure of a recipient's body to accept a transplanted tissue or organ as the result of immunological incompatability; immunological resistance to foreign tissue.
A process in which the immune system of a body attacks an organ or tissue, either its own or tissue transplanted into it from another organism. (See xenotransplantation.)
Note: Rejection is the most serious problem faced in surgery involving organ transplants. Drugs are used to suppress the immune system after organ transplant in order to prevent the rejection of and eventual death of the transplanted tissue.