pica

名词 pica:

1. a linear unit (1/6 inch) used in printing
   同义词：em, pica em
2. magpies
   同义词：genus Pica
3. eating earth or clay or chalk; occurs in some primitive tribes or sometimes in cases of nutritional deficiency
   同义词：geophagy, geophagia

pica

n.Printing （名词）【印刷术】

A printer`s unit of type size, equal to 2 points or about !/' of an inch.
2点活字：打印机铅字大小的单位，相当于2点或大约!/'英寸
An equivalent unit of composition measurement used in determining the dimensions of lines, illustrations, or printed pages.
2点活字的字行长度：排版计量的等义单位，相当于2点活字长度，用来确定行与行之间、插图与插图之间或打印页之间的距离
A type size for typewriters, providing ten characters to the inch.
打印机活字的尺码，每英寸字行十个字体

来源：
Probably from Medieval Latin poca [list of church services (perhaps from the typeface used to print it)]
可能源自 中世纪拉丁语 poca [日课规则书（可能源于用来打印2点活字的活字版面）]

pica
pica 2

n.（名词）
An abnormal craving or appetite for nonfood substances, such as dirt, paint, or clay.
异食癖，异嗜癖：对于非食物性物质、如灰尘、漆或泥土的不正常的渴求或食欲

来源：
New Latin poca
现代拉丁语 poca
from Latin [magpie (from its omnivorous nature)]
源自 拉丁语 [鹊，喜鹊（源于其杂食性）]