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tribe

(Encyclopedia)tribe [Lat., tribus: the tripartite division of Romans into Latins, Sabines, and Etruscans], a social group bound by common ancestry and ties of consanguinity and affinity; a common language and terri...

jelly and jam

(Encyclopedia)jelly and jam, gelatinous, sweet food prepared by preserving fresh fruits. Since most fresh fruits contain about 80% water and from 10% to 15% sugar, they are subject to fermentation. They may be pres...

hernia

(Encyclopedia)hernia, protrusion of an internal organ or part of an organ through the wall of a body cavity. The hernia is enclosed by a sac formed by the lining of the cavity. It results from a weakness or rupture...

collateral

(Encyclopedia)collateral kəlătˈərəl [key], something of value given or pledged as security for payment of a loan. Collateral consists usually of financial instruments, such as stocks, bonds, and negotiable pap...

fetish

(Encyclopedia)fetish fĕtˈĭsh [key], inanimate object believed to possess some magical power. The fetish may be a natural thing, such as a stone, a feather, a shell, or the claw of an animal, or it may be artific...

phosgene

(Encyclopedia)phosgene fŏsˈjēn [key], colorless poison gas, first used during World War I by the Germans (1915). When dispersed in air, the gas has the odor of new-mowed hay. The gas is highly toxic; when inhale...

pseudocyesis

(Encyclopedia)pseudocyesis so͞oˌdōsīēˈsĭs [key], imaginary pregnancy in women usually resulting from a strong desire or need for motherhood. In the absence of conception, the menstrual periods nevertheless c...

hydrocephalus

(Encyclopedia)hydrocephalus hīˌdrəsĕfˈələs [key], also known as water on the brain, developmental (congenital) or acquired condition in which there is an abnormal accumulation of body fluids within the skull...

design

(Encyclopedia)design, plan or arrangement of line, form, mass, color, and space in a pattern. A design may be created to serve a functional purpose as in architecture and in industrial designs or else purely to pro...

aggression

(Encyclopedia)aggression, a form of behavior characterized by physical or verbal attack. It may appear either appropriate and self-protective, even constructive, as in healthy self-assertiveness, or inappropriate a...