Essential Words For The Ielts - Unit 1

Front 1

Aquatic

Back 1

adj. living in the water

Front 2

Array

Back 2

n. a large number, a collection

Front 3

Defense

Back 3

n. protection

Front 4

Deforestation

Back 4

n. the removal of all trees from a large area

Front 5

Environment

Back 5

n. the natural world

Front 6

Erosion

Back 6

n. loss of soil from action of water or wind

Front 7

Extend

Back 7

v. to reach past, get bigger

Front 8

Fell

Back 8

v. to cut down

Front 9

Habitat

Back 9

n. the natural area where a plant or animal lives

Front 10

Impact

Back 10

n. a strong effect

Front 11

Inhibit

Back 11

v. to prevent, slow down

Front 12

Intercept

Back 12

v. to catch

Front 13

Logging

Back 13

n. the cutting down of trees for commercial purposes

Front 14

Myriad

Back 14

adj. Many, numerous

Front 15

Nutrient

Back 15

n.food

Front 16

Pollution

Back 16

n. damage to air, water, etc.

Front 17

Stabilize

Back 17

v. to keep from changing, maintain

Front 18

Terrestrial

Back 18

adj, living on the land

Front 19

Vanish

Back 19

v. to disappear

Front 20

Vegetation

Back 20

n. plants

Front 21

Aspect

Back 21

n. a part or feature

Front 22

Breed

Back 22

v. to reproduce

Front 23

Diurnal

Back 23

adj. active during the day

Front 24

Endure

Back 24

v. to live under difficult conditions

Front 25

Evolve

Back 25

v. to develop gradually

Front 26

Fascinate

Back 26

v. to interest greatly

Front 27

Feat

Back 27

n. a difficult act or achievement

Front 28

Fuel

Back 28

v. to provide energy

Front 29

Hemisphere

Back 29

n. one half of the earth; also one half of a sphere

Front 30

Imperative

Back 30

n. a priority; an urgent need

Front 31

Inhabit

Back 31

v. to live in

Front 32

Migration

Back 32

n. movement from one place to another

Front 33

Navigation

Back 33

n. finding the way from one place to another

Front 34

Nocturnal

Back 34

adj. active at night

Front 35

Observer

Back 35

n. a person who watches something

Front 36

Obscure

Back 36

v. to make difficult to see

Front 37

Optimal

Back 37

adj. best, most favorable

Front 38

Species

Back 38

n. type; a basic group in biological classification

Front 39

Stray

Back 39

v. to leave the correct route; become separated from the group

Front 40

Windswept

Back 40

adj. unprotected from the wind

Front 41

Accumulate

Back 41

v. to gradually increase over time

Front 42

Adapt

Back 42

v. to change to fit a situation or environment

Front 43

Determine

Back 43

v. to decide

Front 44

Dilute

Back 44

v. to make weaker by mixing water

Front 45

Diverse

Back 45

adj. varied, of many kinds

Front 46

Evaporation

Back 46

n. the change from liquid to gas, loss of water to the air

Front 47

Extreme

Back 47

adj. very severe or difficult

Front 48

Fringe

Back 48

n. the edge of something

Front 49

Mechanism

Back 49

n. behavior to deal with difficult situation

Front 50

Minimize

Back 50

v. to reduce to the least possible amount

Front 51

Moisture

Back 51

n. wetness or water

Front 52

Occupy

Back 52

v. to be in place, exist in

Front 53

Prolific

Back 53

adj. producing a lot of something

Front 54

Resilient

Back 54

adj. tough, able to endure difficult conditions

Front 55

Sparse

Back 55

adj. small in numbers or amount

Front 56

Stressor

Back 56

n. something that causes great difficulties

Front 57

Swing

Back 57

n. a sudden or big change

Front 58

Thrive

Back 58

v. to grow well

Front 59

Transitional

Back 59

adj. relating to change from one type to another

Front 60

Violent

Back 60

adj. strong, sudden and destructive