在线common roots课程其他-中国考试

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osteo-bone; osteoarthritis - inflammation caused by degeneration of the joints; osteopathy - therapy that uses among others manipulation of the skeleton to restore health; osteology - the study of bones.

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out-goes beyond, ; Outgoing - being of lively, sharing nature; outdoing - doing better than; outdoor - outside.

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over-excessive; overconfident - more confident than is appropriate; overstock - more supplies than is desirable; overexcited - ,more excited than one should be.

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oxi/oxy-sharp; oxymoron - combining two ideas that sharply contradict each other; oxidize - corrode a surface.

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pale/o-ancient; paleontology - study of ancient fossils; paleography - the study of ancient forms of writing; Paleolithic - period of the Stone Age.

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pan-all, any, everyone; panacea - a cure for all diseases or problems; panorama - an all-around view; pantheism - the worship of all gods; pandemic - affecting all.

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para-beside, beyond, abnormal, ; parasite - an organism that lives on and off another living being; parallel - alongside and always an equal distance apart; paragraph - a portion of a writtenn document that presents a distinct idea.

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para-protection from; parachute - protection from falling; parasol - an umbrella used to protect from the sun;

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pater,-father; paternal - relating to fathers; paternity - fatherhood; patriarch - a man who rules a group.

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path-feeling, emotion; antipathy - a feeling of great dislike; apathy - a lack of feeling or interest; empathy - ability to understand another's feelings.

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ped/i/e-foot, feet; pedal - a lever pushed by the foot; pedestrian - one who walks; pedicure - cosmetic treatment of feet and toes.

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pel-drive, force; compel - to force someone to act; expel - to drive someone out of a place; repel - to force back.

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pent/a-five; pentagon - shape having 5 angles and 5 sides, pentagram - a five-pointed star formerly used as a symbolic figure in magic; pentathlon - an athletic contest that includes five events.

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pept,-digestion; dyspepsia - abnormal digestion; peptic - aiding digestion; pepsin - a digestive enzyme.

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per-through, throughout; permanent - lasting throughout all time; permeate - to spread throughout; persist - to continue for a long time; perennial - lasting through many years.

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peri-around, enclosing; periodontal - pertaining to bone and tissue around a tooth; peripheral - lying outside of the center; perimeter - the outer boundary of an area.

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phag/e-to eat; esophagus - muscular tube that carries food to the stomach; anthropophagy or sarcophagy - cannibalism; xylophagous - feeding on wood.

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phil/o-love, friend; philanthropist - one who loves humanity; philology - the love of words; philosophy - the love of wisdom; bibliophil - loving books.

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phon/o-sound; cacophony - loud, unpleasant sounds; microphone - a device that records and amplifies sound; phonetic - relating to human speech sounds.

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phot/o-light; photogenic - caused by light; photograph - image made on light-sensitive film; photon - the smallest possible unit of light.

word roots1