Difficult IELTS Words - Group 8

[Esc] (1)
n. a body suspended from fixed point as to swing freely to and fro by the alternate action of gravity and momentum

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n. substance used as coloring; dry coloring matter

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a. peaceful; tranquil; calm or quiet

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n. all the animals and plants, which live at or near surface of waters; collection of small or microscopic organisms

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n. deposit of fatty material inside arteries

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n. sign posted in a public place as an advertisement

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a. after death, as of child born after father's death or book published after author's death

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a. uncertain; risky; dangerously lacking in security or stability

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n. proposition upon which an argument is based; assumption; land and the buildings on it

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n. skillfulness in command of fundamentals deriving from practice and familiarity; expertise