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The Number Devil: "The Twelfth Night"

Robert, a twelve-year-old boy who hates math, meets a Number Devil in his dreams who helps him explore, understand, and appreciate the powerful world of numbers.

Here are links to our lists for the book: The First Night–The Third Night, The Fourth Night–The Sixth Night, The Seventh Night–The Eleventh Night, The Twelfth Night
30 words 4 learners

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Full list of words from this list:

  1. bog
    get stuck while doing something
    What was the number devil up to? Maybe he’d had a good idea and couldn’t prove it. Or maybe he’d got bogged down in his polyp surfaces (or whatever it was he’d talked about last time).
  2. illegible
    unable to be read
    The signature was an illegible squiggle that appeared to be in Arabic script.
  3. toddle
    walk unsteadily
    What they saw was a very old man with snow-white hair and a long nose. He was toddling round and round in circles and carrying out a great debate with himself.
  4. wit
    mental ability
    “He’s not the least bit confused; he’s got all his wits about him. As for his age, age means nothing here. Besides, Lord Rustle is one of our youngest. He hasn’t reached 150 yet.”
  5. granule
    a tiny particle of something
    “That’s no ordinary dust,” said Teplotaxl. “It has more granules than a body could count in a lifetime. If you wanted to cover the head of a pin with it, you’d have to gather all the dust in this room. The man you see there is Professor Singer. He’s the man who discovered the dust.”
  6. piercing
    very perceptive
    Professor Singer, a pale man with a goatee and piercing eyes, was singing to himself and doing a nervous little dance around the room.
  7. stripling
    a person who is older than 12 but younger than 20
    Teplotaxl was right: the palace’s inhabitants were so old that he seemed a stripling by comparison.
  8. scarcely
    almost not
    “Welcome, gentlemen, welcome,” said one of them, a man with large eyes and a wig. “My name is Owl, and this is Professor Horrors.” The latter looked very stern, and he scarcely glanced up from his papers.
  9. divulge
    make known to the public information previously kept secret
    But Professor Horrors refused to divulge the subject of his labors.
  10. eccentric
    conspicuously or grossly unconventional or unusual
    “He means the imaginative numbers,” Teplotaxl explained hurriedly, and then he apologized to the eccentric gentlemen for having interrupted their labors.
  11. mosaic
    design made of small pieces of colored stone or glass
    The walls were decorated with mosaics of the most varied patterns, and a majestic throne of gold stood at the first landing on a gigantic flight of steps that led so high there was no telling where it ended.
  12. tactfully
    in a considerate, careful, and appropriate manner
    Robert tactfully held his tongue and looked around.
  13. resound
    ring or echo with noise
    Suddenly a beanpole of a man at the entrance swung a stick as far back as it would go and struck a gong, which resounded all through the palace.
  14. solemn
    dignified and somber in manner or character
    There were solemn Egyptians, there were Indians with pink dots on their foreheads, there were Arabs wearing burnooses and monks in habits, there were Africans and American Indians, Turks with curved swords, Americans in jeans.
  15. raiment
    especially fine or decorative clothing
    A Chinese gentleman in fine silk raiment ascended first the stairs and then the throne.
  16. ascend
    travel up
    A Chinese gentleman in fine silk raiment ascended first the stairs and then the throne.
  17. revere
    regard with feelings of respect
    “Is he Chinese too?”
    “Nobody knows. None of us has ever seen him face-to-face. But we revere him greatly. He is commander-in-chief of all number devils, the man who discovered one. Though for all we know he may not be a man at all. He may be a woman!”
  18. pi
    the ratio of the circumference to the diameter of a circle
    “What you need is an unreasonable number, the most important of them all. A man all the way up at the head of the table discovered it more than two thousand years ago. Another Greek. Without it we wouldn’t know, to this day, how big a pie like this is—or how big our wheels or rings or oil tanks are. In other words, anything that’s round. Even the moon and our very own earth. Without the number pi we’d be lost.”
  19. hearty
    consuming abundantly and with gusto
    Otherwise they all ate heartily and drank heartily (from pentagonal crystal glasses, fortunately, and not Dr. Little’s weird bottles).
  20. repast
    the food served and eaten at one time
    When the repast was over, the beanpole sounded the gong again and the man who may have discovered zero rose from his throne and disappeared up the stairs.
  21. eminent
    standing above others in quality or position
    Gradually the other number devils stood as well—the most eminent first, of course—and started back to their rooms.
  22. dignitary
    an important or influential person
    “So this is your apprentice,” said the dignitary in a sober voice.
  23. sober
    dignified and serious in manner or character
    “So this is your apprentice,” said the dignitary in a sober voice.
  24. vest
    provide with power and authority
    “Stand, Robert. By the power vested in me as General Secretary, I hereby accept you into the lowest rank of number apprentices and bestow upon you in recognition thereof the Order of Pythagoras, Fifth Class.” With these words he ceremoniously hung a heavy golden chain with a five-pointed star around Robert’s neck.
  25. bestow
    present
    “Stand, Robert. By the power vested in me as General Secretary, I hereby accept you into the lowest rank of number apprentices and bestow upon you in recognition thereof the Order of Pythagoras, Fifth Class.” With these words he ceremoniously hung a heavy golden chain with a five-pointed star around Robert’s neck.
  26. ceremonious
    characterized by pomp and stately display
    “Stand, Robert. By the power vested in me as General Secretary, I hereby accept you into the lowest rank of number apprentices and bestow upon you in recognition thereof the Order of Pythagoras, Fifth Class.” With these words he ceremoniously hung a heavy golden chain with a five-pointed star around Robert’s neck.
  27. brink
    the limit beyond which something happens or changes
    Robert saw that Teplotaxl was moved. Robert was too. On the brink of tears, in fact: he hadn’t realized how much a part of his life the number devil had become.
  28. seemly
    according with custom or propriety
    But neither the one nor the other felt it seemly to show his emotions, so all Teplotaxl said was “Good-bye, Robert,” and all Robert said was “Bye.”
  29. eager beaver
    an alert and energetic person
    “How many of you are there in the class?” he asked, and the eager-beaver Doris shot up her hand and said, “Thirty-eight.”
  30. incensed
    angered at something unjust or wrong
    Robert was incensed. Mr. Bockel and his mind-bockeling problems! He thought, Now we’ll have to work like the devil while he takes it easy.
Created on Wed Feb 16 20:08:29 EST 2022 (updated Mon Apr 18 09:34:48 EDT 2022)

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