plaque

n. 匾, 饰板, 名牌, 勋章, 胸襟饰物, 血小板

plaque

n.（名词）
A flat plate, slab, or disk that is ornamented or engraved for mounting, as on a wall for decoration or on a monument for information.
匾额，铭碑，饰板：被装饰或雕刻的平的薄板、厚板或圆板，用来镶嵌在墙上装饰或安在纪念碑上记载资料
A small pin or brooch worn as an ornament or a badge of membership.
勋章：作为装饰物或表示成员资格标志而佩戴的小饰针或徵章


Pathology A small disk-shaped formation or growth; a patch.
【病理学】 色斑：一块小型的圆盘形组成物或肿瘤；色斑
A deposit of fatty material on the inner lining of an arterial wall, characteristic of atherosclerosis.
斑：动脉血管壁内脂肪物质的沉积，以动脉粥样硬化为特征
A scaly patch formed on the skin by psoriasis.
斑：由牛皮癣引起的在皮肤上形成的鳞状的色斑
A film of mucus and bacteria on a tooth surface.
齿菌斑：牙齿表面一层粘液和细菌的膜
A clear, often round patch of lysed cells in an otherwise opaque layer of a bacteria or cell culture.
空斑：一种透明的，常为圆形裂解细胞的斑，位于细菌或细胞培养物中全然不同且不透明的层中

来源：
French
法语
from Old French [metal plate]
源自 古法语 [金属盘]
perhaps from Middle Dutch placke [disk, patch]
可能源自 中古荷兰语 placke [圆盘，斑]