The difference in use is that you would use opacity to refer to understanding, when something is difficult to understand or obscure. opacity, n. a. Obscurity of meaning; resistance to interpretation; impenetrability; an instance of this. rare before 20th cent. or opacity noun the quality of...

Say a house has two floors, and on each floor there are two rooms at the front and two at the back. Then what is the meaning of “front left hand first floor room” and way?

Sometimes you may want to cite the piece of wisdom, that an asset that you actually possess is more valuable than those which may have been promised to you at some future time; ie, a bird in the hand is worth two in the bush. This phrase is widely used and understood; but it seems antiquated and...

There are glass glasses and plastic glasses; mugs and cups; steins and schooners; and so on. What makes a glass a tumbler?

Glimpse Gaze Stare Glance Peep Peer Blink Make out Weep Wink a. Close the eyelids rapidly (blink) b. Have quick look (glanced) c. Look closely at (gaze) d. See briefly (glimpsed) e. Look at steadily in surprise or admiration (peer) f. Look at intently ...

in a video a native speaker of English said: I gotta show you something... it is important. I need to show you it. I am not a native speaker and this last sentence sounds extremely weird to me. I asked 2 English natives (both British), one of whom said it is ok and the other that it is wron...

Fifty years ago, someone would have pointed out that: Prepositions should never be used as the last words in sentences. 'Who', governed by 'for' although not obviously so in this sentence, should be in the accusative case and thus be replaced by its variant 'whom'. They would probably have d...