细小 xìxiǎo tiny Definitions Defs Origin Strokes Stroke Words Sentences Sents 极细小 jíxìxiǎo extremely small extremely small; infinitesimal细小病毒 xìxiǎobìngdú parvovirus a type of very small virus that can cause disease in animals; parvovirus细小病毒科 xìxiǎobìngdúkē parvoviruses Parvoviridae, a family of small animal viruses including those that affect dogs and cats