Definitions for danderˈdæn dər
Random House Webster's College Dictionary
loose scales formed on the skin and shed from the coat or feathers of various animals.
Category: Pathology, Zoology
Informal. anger; temper:
Don't get your dander up.
Origin of dander:
1825–35; alter. of dandruff
small scales from animal skins or hair or bird feathers that can cause allergic reactions in some people
a feeling of anger and animosity
"having one's hackles or dander up"
Passion, temper, anger. Usually preceded by "have" or "get" and followed by "up".
To wander about.
To maunder, to talk incoherently.
Origin: Alteration of dandruff
dandruff or scurf on the head
anger or vexation; rage
to wander about; to saunter; to talk incoherently
Dander is an informal term for a material shed from the body of various animals, similar to dandruff. It is composed of skin cells. It is a cause of allergies in humans. Older etymology has it that dander is a rare synonym of dandruff. In the idiom of "getting dander up" the colloquial meaning, anger, is probably unrelated to the above usage. Pet dander is generally worse in older animals than in younger animals, as older animals slough off more skin cells than younger animals. Dander is microscopic, and can be transported through the air. Through the air, dander can enter the mucous membranes in the lungs, causing allergies to some individuals.
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