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Rad vs Rap - What's the difference?

rad | rap |

As nouns the difference between rad and rap

is that rad is a non-SI unit of absorbed dose of radiation, equal to 0.01 gray while rap is a sharp blow with something hard.

As an adjective rad

is excellent, short for radical.

As an initialism RAD

is Rapid Application Development.

As a verb rap is

to strike something sharply with one's knuckles; knock.

As an acronym RAP is

Recognized Air Picture.

rad

English

Adjective

(en adjective)
  • (slang) Excellent, short for radical.
  • Noun

    (en noun)
  • (metrology) A non-SI unit of absorbed dose of radiation, equal to 0.01 gray.
  • (automotive, plumbing, slang)
  • Synonyms

    * (metrology) rd (abbreviation)

    See also

    * deg * grad

    Anagrams

    * * * ----

    rap

    English

    Etymology 1

    From (etyl) rap, rappe, of (etyl) origin, related to (etyl) . More at (l).

    Noun

    (wikipedia rap)
  • (countable) A sharp blow with something hard.
  • The teacher gave the wayward pupil a rap across the knuckles with her ruler.
  • * 1900 , , The House Behind the Cedars , Chapter II,
  • He walked softly up the sanded path, tiptoed up the steps and across the piazza, and rapped at the front door, not too loudly, lest this too might attract the attention of the man across the street. There was no response to his rap . He put his ear to the door and heard voices within, and the muffled sound of footsteps. After a moment he rapped again, a little louder than before.
  • (uncountable) Blame (for something).
  • You can't act irresponsibly and then expect me to take the rap .
  • (informal) A casual talk
  • (uncountable) Rap music.
  • A song, verse, or instance of singing in the style of rap music.
  • Synonyms
    * (blame) fall
    Derived terms
    * beat the rap * bum rap * rap music * rap song * take the rap

    Etymology 2

    From (etyl) rappen, of (etyl) origin, related to (etyl) .

    Verb

    (rapp)
  • To strike something sharply with one's knuckles; knock.
  • * 1845 , (Edgar Allan Poe), "":
  • Once upon a midnight dreary, while I pondered, weak and weary, ¶ Over many a quaint and curious volume of forgotten lore, ¶ While I nodded, nearly napping, suddenly there came a tapping, ¶ As of some one gently rapping, rapping at my chamber door. ¶ "'Tis some visitor", I muttered, "tapping at my chamber door — ¶ Only this, and nothing more."
  • * 1900 , , The House Behind the Cedars , Chapter II,
  • He walked softly up the sanded path, tiptoed up the steps and across the piazza, and rapped' at the front door, not too loudly, lest this too might attract the attention of the man across the street. There was no response to his rap. He put his ear to the door and heard voices within, and the muffled sound of footsteps. After a moment he ' rapped again, a little louder than before.
  • (dated) To strike with a quick blow; to knock on.
  • * Prior
  • With one great peal they rap the door.
  • (metalworking) To free (a pattern) in a mould by light blows on the pattern, so as to facilitate its removal.
  • (ambitransitive) To speak (lyrics) in the style of rap music.
  • ''He started to rap after listening to the Beastie Boys
    He rapped a song to his girlfriend.
  • * {{quote-news
  • , year=2012 , date=April 19 , author=Josh Halliday , title=Free speech haven or lawless cesspool – can the internet be civilised? , work=the Guardian citation , page= , passage=But the purported rise in violent videos online has led some MPs to campaign for courts to have more power to remove or block material on YouTube. The Labour MP Heidi Alexander said she was appalled after a constituent was robbed at knifepoint, and the attackers could be found brandishing weapons and rapping about gang violence online.}}
  • (informal) To talk casually.
  • Derived terms
    * rap on * rapper

    See also

    * emcee * hip-hop

    Etymology 3

    Uncertain.

    Noun

    (en noun)
  • A lay or skein containing 120 yards of yarn.
  • (Knight)

    Etymology 4

    Perhaps contracted from rapparee.

    Noun

    (en noun)
  • Any of the tokens that passed current for a halfpenny in Ireland in the early part of the eighteenth century; any coin of trifling value.
  • * Jonathan Swift
  • Many counterfeits passed about under the name of raps .
  • * Mrs. Alexander
  • Tie it [her money] up so tight that you can't touch a rap , save with her consent.
  • A whit; a jot.
  • I don't care a rap .
    That's not worth a rap .

    Anagrams

    * ----