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hoarfrost

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hoarfrost


  3  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Frost  \Frost\,  n.  [OE.  frost,  forst,  AS  forst,  frost.  fr 
  fre['o]san  to  freeze;  akin  to  D.  varst,  G.,  OHG.,  Icel., 
  Dan.,  &  Sw  frost.  [root]18.  See  {Freeze},  v.  i.] 
  1.  The  act  of  freezing;  --  applied  chiefly  to  the  congelation 
  of  water;  congelation  of  fluids. 
 
  2.  The  state  or  temperature  of  the  air  which  occasions 
  congelation,  or  the  freezing  of  water;  severe  cold  or 
  freezing  weather. 
 
  The  third  bay  comes  a  frost,  a  killing  frost. 
  --Shak. 
 
  3.  Frozen  dew;  --  called  also  {hoarfrost}  or  {white  frost}. 
 
  He  scattereth  the  frost  like  ashes.  --Ps.  cxlvii 
  16. 
 
  4.  Coldness  or  insensibility;  severity  or  rigidity  of 
  character.  [R.] 
 
  It  was  of  those  moments  of  intense  feeling  when  the 
  frost  of  the  Scottish  people  melts  like  a  snow 
  wreath.  --Sir  W. 
  Scott. 
 
  {Black  frost},  cold  so  intense  as  to  freeze  vegetation  and 
  cause  it  to  turn  black,  without  the  formation  of 
  hoarfrost. 
 
  {Frost  bearer}  (Physics),  a  philosophical  instrument 
  illustrating  the  freezing  of  water  in  a  vacuum;  a 
  cryophous. 
 
  {Frost  grape}  (Bot.),  an  American  grape,  with  very  small 
  acid  berries. 
 
  {Frost  lamp},  a  lamp  placed  below  the  oil  tube  of  an  Argand 
  lamp  to  keep  the  oil  limpid  on  cold  nights;  --  used 
  especially  in  lighthouses.  --Knight. 
 
  {Frost  nail},  a  nail  with  a  sharp  head  driven  into  a  horse's 
  shoe  to  keen  him  from  slipping. 
 
  {Frost  smoke},  an  appearance  resembling  smoke,  caused  by 
  congelation  of  vapor  in  the  atmosphere  in  time  of  severe 
  cold. 
 
  The  brig  and  the  ice  round  her  are  covered  by  a 
  strange  black  obscurity:  it  is  the  frost  smoke  of 
  arctic  winters.  --Kane. 
 
  {Frost  valve},  a  valve  to  drain  the  portion  of  a  pipe, 
  hydrant,  pump,  etc.,  where  water  would  be  liable  to 
  freeze. 
 
  {Jack  Frost},  a  popular  personification  of  frost. 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Hoarfrost  \Hoar"frost`\,  n. 
  The  white  particles  formed  by  the  congelation  of  dew;  white 
  frost.  [Written  also  {horefrost}.  See  {Hoar},  a.] 
 
  He  scattereth  the  hoarfrost  like  ashes.  --Ps.  cxlvii 
  16. 
 
  From  WordNet  r  1.6  [wn]: 
 
  hoarfrost 
  n  :  ice  crystals  forming  a  white  deposit  (especially  on  objects 
  outside)  [syn:  {frost},  {hoar},  {rime}] 




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