Melaleuca /ËmÉlÉËljuËkÉ/ is a genus of nearly 300 species of plants in the myrtle family, Myrtaceae, commonly known as paperbarks, honey-myrtles or tea-trees (although the last name is also applied to species of Leptospermum). They range in size from small shrubs that rarely grow to more than 1 m (3 ft) high, to trees up to 35 m (100 ft).
magnet noun [ C ] (OBJECT) âº an object that is able both to attract iron and steel objects and also push them away.
Before we look at electromagnets let's recap bar magnets. Bar magnets are permanent magnets. This means that their magnetism is there all the time and cannot be turned on or off. They have two poles: Bar magnet. 1  north pole (or north-seeking pole). 2  south pole (or south-seeking pole).