IELTS-DINHTHANG.COM | FACEBOOK.COM/DINHTHANGIELTS LIST OF ROOT WORDS No Root, prefix, suffix urb Meaning Examples city suburb= an area on the edge of a large town or city where people who work in the town or city often live urbanity= urban life dem- people democracy= the belief in freedom and equality between people, or a system of government based on this belief re- again rebuild= to build something again that has been damaged or destroyed reuse= to use something again de- reduce, down decline= a decrease in the quality, quantity, or importance of something deplete= to reduce something in size or amount, especially supplies of energy, money, etc semi- half vol, volut change, turn semi-arid= have little rain but is not completely dry evolve=develop gradually revolution= a movement in a circle or curve around a central point optim Best optimal= the best or most suitable herb grass herbal=relating to or made from herbs herbicide= a chemical that is used to destroy plants, especially weeds IELTS-DINHTHANG.COM | FACEBOOK.COM/DINHTHANGIELTS cid 10 inter- 11 ed 12 tract 13 ex- kill among, between eat pull, draw out pesticide= a chemical substance used to kill harmful insects, small animals, wild plants, and other unwanted organisms intersection= the place where two or more roads join or cross each other edible=suitable or safe for eating retract = To pull something back exterior= the outside part of sth exclude= not include 14 vari vary variety= a different type of something 15 nav relating to ship naval= belonging to a country's navy, or relating to military ships 16 memor remember 17 mit send memorable= likely to be remembered or worth remembering emit= send out gas, heat, light, sound, etc submit= to give or offer smth 18 mono only, one monopoly= complete control of something, especially an area of business, so that others have no share 19 hydr water hydraulic= operated by or involving the pressure of water or some other liquid 20 orb circle orbital= relating to the orbit of one object around another 21 aqua- water aquarium= a glass container in which fish and other water creatures can be kept IELTS-DINHTHANG.COM | FACEBOOK.COM/DINHTHANGIELTS 22 lev rise elevation= the height of a place above the level of the sea elevator= a machine that carries people or goods up and down to different levels in a building or a mine 23 geo- of or relating to the earth 24 equ- equal geography= the study of the systems and processes involved in the world's weather, mountains, seas, lakes, etc and of the ways in which countries and people organize life within an area equate=to consider one thing to be the same as or equal to another thing equilibrium= a state of balance place relocation= the process of moving to a different place to work, or of moving employees to a different place to work 25 loc 26 min- less, smaller 27 aer- air, atmosphere 28 serv protet, save 29 over- too much overreact= to react in an extreme, especially an angry or frightened, way 30 mis- done wrongly, badly misbehavior= to behave badly 31 un- the opposite of N/V/ADJ/ADV unanticipated= not having been expected to happen 32 in- not, un minority= a smaller number/part aeroplane= a vehicle designed for air travel that has wings and one or more engines conservation= the protection of natural things such as animals, plants, forests etc, to prevent them from being spoiled or destroyed indecision= the state of being unable to decide what to IELTS-DINHTHANG.COM | FACEBOOK.COM/DINHTHANGIELTS 33 tact touch 34 salv- save 35 civ citizens tactile= related to the sense of touch salvation= something that prevents or saves someone or something from danger, loss, or failure civic= of a town or city or the people who live in it civil= connected with the people who live in a country 36 extra- outer extracurricular= an extracurricular activity or subject is not part of the usual school or college course 37 terr- earth territory= a large area that has some local government terrain= an area of land, when considering its natural features 38 archae- 39 neur(o)- 40 co-, corcon- ancient archaelogist= someone who studies the buildings, graves, tools, and other objects of people who lived in the past relating to nerves neuroscience= the scientific study of the nervous system and the brain together, with co-exist= to live or exist together, esp in peace, at the same time or in the same place correspond= to match or be similar or equal connect= to join two or more things together 41 42 under- magn not enough, below underprivileged= without the money, possessions, education, opportunities, etc that the average person has great, large magnitude= the large size or importance of something IELTS-DINHTHANG.COM | FACEBOOK.COM/DINHTHANGIELTS 43 arithm count, number 44 mechan machine 45 vis see 46 fig form, shape 47 vers turn, change magnificent= very good, beautiful, or deserving to be admired logarithm= a number which shows how many times a particular number, called the base, has to be multiplied by itself to produce another number mechanic= someone who repairs or works with machines, esp as a job visit= to go to a place in order to look at it, or to a person in order to spend time with them figure= the symbol for a number or an amount expressed in numbers configure= to arrange something in a particular way, especially computer equipment versatile= able to change easily from one activity to another or able to be used for many different purposes reverse= to change the direction, order, position, result, etc of something to its opposite ...IELTS -DINHTHANG. COM | FACEBOOK.COM/DINHTHANGIELTS cid 10 inter- 11 ed 12 tract 13 ex- kill among, between eat pull, draw out pesticide=... aquarium= a glass container in which fish and other water creatures can be kept IELTS -DINHTHANG. COM | FACEBOOK.COM/DINHTHANGIELTS 22 lev rise elevation= the height of a place above the level of the... spoiled or destroyed indecision= the state of being unable to decide what to IELTS -DINHTHANG. COM | FACEBOOK.COM/DINHTHANGIELTS 33 tact touch 34 salv- save 35 civ citizens tactile= related to the