naked virus, nonenveloped virus a virus lacking an outer lipoprotein bilayer. neurotropic virus one that has a predilection for and causes infection in nervous tissues, e.g., the rabies virus. Norwalk virus a calicivirus that is a common agent of epidemics of acute gastroenteritis. oncogenic viruses an epidemiologic class of viruses that are acquired by close contact or injection and cause usually persistent infection; they may induce cell transformation and malignancy.
Define stumbling block: an obstacle to progress; an impediment to belief or understanding : perplexity â stumbling block in a sentence an obstacle to progress; an impediment to belief or understanding : perplexityâ¦
Dictionary entry overview: What does damper block mean? â¢ DAMPER BLOCK (noun) The noun DAMPER BLOCK has 1 sense: 1. damper consisting of a small felted block that drops onto a piano string to stop its vibration Familiarity information: DAMPER BLOCK used as a noun is very rare.