Retroviridae Ret·ro·vir·i·dae (rět'rō-vēr'ĭ-dē')
n.
A family of viruses, many of which produce tumors, that contain RNA and reverse transcriptase, including the virus that causes AIDS.
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| 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. |
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