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AMBI/AMPHI means "on both sides" or "around"; ambi comes from Latin and amphi- from Greek. An ambidextrous person can use the right and the left hand equally well. An amphibian, such as a frog or salamander, is able to live and breathe both on land and in water.
ambiguous
ambient
ambivalent
amphitheater
EP/EPI comes from Greek and means variously "upon", "besides", "attached to", "over", "outer", or "after". An epiphenomenon is a phenomenon that occurs as a result of the original phenomenon. An epicenter is the portion of the earth's surface directly over the focus of an earthquake. The epidermis is the outer layer of the skin, overlying the inner layer or "dermis".
ephemeral
epiphyte
epitaph
epithet
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HYPO/HYP as a prefix can mean variously "under", "beneath", "down", or "below normal". Many hypo-words are medical. A hypodermic needle injects medication under the skin.
hypochondriac
hypocrisy / hypocrite / hypocritic
hypothermia
hypothetical
THERM/THERMO comes from the Greek word meaning "warm".
thermal
thermocline
thermocouple
thermonuclear
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POLY comes from polys, the Greek word for "many". Polysyllabic words, of which there are a few in this books, are words of many syllables. Ploygamy is marriage in which one has many spouses, or at least more than the legal limit of one. A polygraph is an instrument for recording variations in many different bodily pulsations simutanously to reveal whether someone is lying.
polychromatic
polyglot
polymer
polyphony
PRIM comes from primus, the Latin word for "first".
primal
primiparous / multiparous
primogeniture
primordial