Elucidate : to give a clarifying explanation.........

BRISTLE-a short, stiff hair on an animal's skin or a man's face....

QUATRAIN-a stanza of four lines, especially one having alternate rhymes....

SLUMP-undergo a sudden severe or prolonged fall in price, value, or amount....

Nanotechnology:-                   A department of t...

Biddable- capable of being bid...

AUSSIE-a person from Australia. ...

DEMEANOUR-outward behaviour or bearing....

FEASIBLE-possible and practical to do easily or conveniently...