Defn: A circumscribed swelling produced by an effusion of blood beneath the skin.

HEMATOPHILIA
Hem`a*to*phil"i*a, n. Etym: [NL., fr. Gr. a"i^ma, a"i`matos, blood +
(Med.)

Defn: A condition characterized by a tendency to profuse and uncontrollable hemorrhage from the slightest wounds.

HEMATOSIN
Hem`a*to"sin, n. (Physiol. Chem.)

Defn: The hematin of blood. [R.]

HEMATOSIS Hem`a*to"sis, n. Etym: [NL., fr. Gr. a"ima`twsis.] (Physiol.) (a) Sanguification; the conversion of chyle into blood. (b) The arterialization of the blood in the lungs; the formation of blood in general; hæmatogenesis.

HEMATOTHERMA Hem`a*to*ther"ma, n. pl. Etym: [NL., from Gr. a"i^ma, a"i`matos, blood + thermo`s warm.] (Zoöl.)

Defn: The warm-blooded vertebrates, comprising the mammals and birds; — the antithesis to hematocrya.

HEMATOTHERMAL
Hem"a*to*ther"mal, a.

Defn: Warm-blooded.