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  1. Stems Com, cide, tri, aqua, hydro,audi, bio, port, logy, photo stems list until Christmas.doc

  2. com Together

  3. examples • common • Combo • community • combine • companion • compete • compound • committee

  4. community a group of people who live in the same area (such as a city, town, or neighborhood)

  5. A group of people who live in the same area (such as a city, town, or neighborhood) • The festival was a great way for the local community to get together. • Many communities are facing budget problems. • People in the community wanted better police protection.

  6. combo • a combination of different things 

  7. Combo • I ordered the seafood combo. [=a dish that includes different kinds of seafood] • The carpet design comes in three different color combos.

  8. combine • to cause (two or more things) to be together or to work together ▪ We decided to combine both methods/techniques. ▪ The groups have combined forces to lobby for reform.  The drug may be combined with other treatments. • to mix (two or more things) together to form a single thing ▪ Combine the ingredients (together) in a large bowl. ▪ combining oxygen and/with hydrogen  • to come together and form a single thing or group ▪ Atoms combine to form molecules. ▪ The two companies combined under his leadership.

  9. combine

  10. Companiona person or animal you spend time with or enjoy being with  She has been my closest companionsince childhood.

  11. compete • to try to get or win something (such as a prize or reward) that someone else is also trying to win : to try to be better or more successful than someone or something else 

  12. compete

  13. compete • Thousands of applicants are competing for the same job. ▪ •  She competed against students from around the country. ▪  • We are competing with companies that are twice our size. ▪  • Did you compete in the track meet on Saturday?

  14. compound something that is formed by combining two or more parts ;   a substance created when the atoms of two or more chemical elements join together 

  15. compound • The metal reacts with the gas to form a compound.

  16. committee a group of people who are chosen to do a particular job or to make decisions about something 

  17. committee • Kevin is on the decorating committee for the International Festival.

  18. Logy"study of" or "science of" biology (bio-logy) science of life and living organisms

  19. biology the study of living organisms, including their  structure, functioning, evolution, distribution, and  Interrelationships

  20. pathology • the science or the study of the origin, nature, and  course of diseases. Patho: “suffering,” “disease,” “feeling,” 

  21. geology 1. the scientific study of the origin, history, structure,  and composition of the earth 2. the geological features of a district or country

  22. areology The study of the planet Mars. • Astrology The study of the influences of the stars on human destinies. A prefix that means "star" (as in astrophysics ), "celestial body"  (asinastronomy ), or "outer space" (as in astronaut ). 

  23. cosmology The branch of astrophysics that studies the origin, evolution, and structure of the universe

  24. demonology The study of demons; especially, those that are frequent in the folklore of some societies.

  25. dilectology The study of dialects;

  26. dinosaurology The study of dinosaurs

  27. domatology The science or study of houses.

  28. eremology The study of deserts.

  29. erotology • The study of love and its manifestations

  30. hydrology The scientific study of the properties, distribution, and effects of water on the earth's surface, in the soil and underlying rocks, and in the atmosphere.

  31. philematology The art or science of kissing.

  32. photology • A branch of physics that deals with light or the study of light and its effects. 

  33. cosmetology The study of cosmetics, or the art, or profession, of using cosmetics.

  34. cynology The study of dogs. .

  35. cide • kill, killer; murder, to cause death, slayer; cutter; “to cut down”)

  36. aborticide • The destruction of a fetus either by a spontaneous or induced procedure; the act of destroying a fetus in the womb: "The parents were distressed because of the natural and unexpected aborticide that happened.“

  37. arachnidcide The killing of spiders, scorpions, etc.

  38. avicide • The slaughter of birds.

  39. canicide • The killing of dogs; a dog-killer

  40. ethnocide • The deliberate and systematic destruction of the culture of an ethnic group; especially, within a larger community.

  41. felicide Killing a cat or cats; cat-slaughter.

  42. genocide, genocidal • The deliberate and systematic extermination of an ethnic or national group.

  43. filicide, filicidal • 1. One who • kills a son or daughter; a slayer of his/her own child. 2. The action of killing a son or daughter. • formicide, formicicide • The killing of ants.

  44. germicide  • 1. That which kills germs; specifically, an agent used to destroy disease-germs. 2. Destructive to germs. • giganticide, giganticidal • A giant-killer or the killing of giants. • herbicide, herbicidal • Any chemical agent that is toxic to some or all plants and is used to destroy unwanted vegetation.

  45. homicide  • 1. The killing of any human being, whether lawfully or unlawfully;  2. One who kills a human being; a man-slayer; in earlier use often a murderer.3. Anyone who kills another person.

  46. suicide The act of intentionally causing ones own death

  47. hospiticide One who kills his guest or host. • hymnicide The “murdering” of a hymn; i.e. by alterations. • insecticide, insecticides • 1. One who or that which kills insects, an insect-killer; specifically, a preparation used for destroying insects. 2. The killing of insects.

  48. mariticide, mariticidal, maritocide • The killing of a spouse, especially a husband • matricide, matricidal • 1. The act of murdering one's own mother. 2. Someone who has murdered his or her own mother. • myrmecide • The killing of ants.

  49. amicicide • The act of murdering one’s friend. apicide The killing of bees.

  50. hydro/aqua Water