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 (pŏl′ē-fā′jē-ə, -jə) or po·lyph·a·gy (pə-lĭf′ə-jē)
1. An excessive or pathological desire to eat.
2. Zoology The habit of feeding on many different kinds of food.

pol′y·pha′gi·an adj.


1. (Pathology)
a. an abnormal desire to consume excessive amounts of food, esp as the result of a neurological disorder
b. an insatiable appetite
2. (Zoology) the habit of certain animals, esp certain insects, of feeding on many different types of food
[C17: New Latin, from Greek, from poluphagos eating much; see poly-, -phagy]
polyphagous adj


(ˌpɒl iˈfeɪ dʒi ə, -dʒə)

excessive desire to eat.
[1685–95; < New Latin < Greek polyphagía; see poly-, -phagy]
pol`y•pha′gi•an, n., adj.
po•lyph•a•gist (pəˈlɪf ə dʒɪst) n.
po•lyph′a•gous (-gəs) pol`y•phag′ic (-ˈfædʒ ɪk, -ˈfeɪ dʒɪk) adj.

polyphagia, polyphagy

1. a desire for all kinds of food.
2. Med. excessive or gluttonous consumption of food. — polyphagian, n.polyphagic, polyphagous, adj.
See also: Food and Nutrition
Pathology. excessive appetite or excessive eating.
See also: Disease and Illness
the tendency to eat a wide variety of food. — polyphagist, n.polyphagic, adj.
See also: Biology
References in periodicals archive ?
5) Furthermore, phenobarbital has been associated with adverse effects, including sedation, polyuria, polydipsia, polyphagia, facial pruritus, bone marrow dyscrasias, and coagulopathies.
Diabetic animals also showed signs of polyuria, polydipsia and polyphagia.
This high blood sugar produces the classical symptoms of polyuria (frequent urination), polydipsia (increased thirst), and polyphagia (increased hunger).
polyuria, polydipsia, polyphagia, weight loss, poor wound healing, blurry vision, etc.
Any patient treated with atypical antipsychotics should be monitored for symptoms of hyperglycemia including polydipsia, polyuria, polyphagia, and weakness.
32) The condition known as reactional hyperphagia, sometimes called reactional polyphagia, involves uncontrolled snacking and eating.
She was aware of the symptoms of hyperglycemia--polydipsia, polyuria, polyphagia, abdominal pain, blurred vision, lethargy and nausea/vomiting.
In the case presented here, the patient did not have any of the symptoms associated with diabetes, which include polyphagia (eating excess amounts), polydipsia (drinking excess amounts) and polyuria (excess passage of urine).
The classical symptoms of diabetes are polyuria (frequent urination), polydipsia (increased thirst) and polyphagia (increased hunger).