phase separation and leaching technique

phase Noun

— A phase is stage in a process. We will look at very basic ideas during the first phase of training. As the war enters its final phase, the role of the UN will probably become more important. Teenagers often go through a phase of being attracted to someone of the same sex. — If things are in phase, they are working, moving, or changing together.

phase Verb

— If you phase something in, you introduce it step by step. Over the next few years, all farm support was slowly phased out.

separation Noun

— Separation is the time when two things are apart and separated.

and Conjunction

— You use and to talk about two things at once. I like singing and reading. Mary and Jane went on a holiday together. — You use and when you are listing a few things and you are now on your last item of the list. I like singing, reading, cycling and playing soccer. I used to like this girl from my class as she is pretty, gentle and caring. — And is used when you are putting two sentences together. She came into the store, shouted at the cashier, and left. — Used to show what happened after something else. The alarm went off and I woke up. — And is used to join certain numbers together. Two hundred and thirty-five people went missing after the earthquake.

leaching

— noun (= leach) the process of leaching

technique Noun

— A technique is a specialized and skillful way of doing something. It is important for pilots to be taught the right technique for the take-off run. The scientists will use a new technique to measure the exact speed of the moon.