| snowball | 1. A round mass of snow pressed or roller together, or anything resembling such a mass. 2. <botany> The Guelder-rose. Snowball tree. (11 Mar 1998) |
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| snowball opacity | A spherical, white body seen in the vitreous in asteroid hyalosis. (05 Mar 2000) |
| snowball sampling | A method whereby interview subjects for a statistical study are obtained from subjects already interviewed for that study.This technique is most often used with target populations made up of elusive or uncooperative subjects (e.g., IV drug users). Those subjects first contacted are asked to name acquaintances, who are then approached, interviewed, and asked for additional names. In this way, a sufficient number of subjects can be accumulated to give a study adequate power. (05 Mar 2000) |
| snowball | snow pressed into a ball for throwing (playfully) |
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| snowball | ball of crushed ice with fruit syrup |
| snowball | ball of ice cream covered with coconut and usually chocolate sauce |
| snowball | plant having heads of fragrant white trumpet-shaped flowers |
| snowball | increase at a rapidly accelerating rate |
| snowball | increase or accumulate at a rapidly accelerating rate |
| snowball | throw snowballs at |
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