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proustite

proustite

 

  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Proustite  \Proust"ite\,  n.  [From  the  French  chemist,  J.  L. 
  Proust.]  (Min.) 
  A  sulphide  of  arsenic  and  silver  of  a  beautiful  cochineal-red 
  color,  occurring  in  rhombohedral  crystals,  and  also  massive; 
  ruby  silver. 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
 
 
  {Red  horse}.  (Zo["o]l.) 
  a  Any  large  American  red  fresh-water  sucker,  especially 
  {Moxostoma  macrolepidotum}  and  allied  species. 
  b  See  the  Note  under  {Drumfish}. 
 
  {Red  lead}. 
  (Chem)  See  under  {Lead},  and  {Minium}. 
 
  {Red-lead  ore}.  (Min.)  Same  as  {Crocoite}. 
 
  {Red  liquor}  (Dyeing),  a  solution  consisting  essentially  of 
  aluminium  acetate,  used  as  a  mordant  in  the  fixation  of 
  dyestuffs  on  vegetable  fiber;  --  so  called  because  used 
  originally  for  red  dyestuffs.  Called  also  {red  mordant}. 
 
 
  {Red  maggot}  (Zo["o]l.),  the  larva  of  the  wheat  midge. 
 
  {Red  manganese}.  (Min.)  Same  as  {Rhodochrosite}. 
 
  {Red  man},  one  of  the  American  Indians;  --  so  called  from  his 
  color. 
 
  {Red  maple}  (Bot.),  a  species  of  maple  ({Acer  rubrum}).  See 
  {Maple}. 
 
  {Red  mite}.  (Zo["o]l.)  See  {Red  spider},  below. 
 
  {Red  mulberry}  (Bot.),  an  American  mulberry  of  a  dark  purple 
  color  ({Morus  rubra}). 
 
  {Red  mullet}  (Zo["o]l.),  the  surmullet.  See  {Mullet}. 
 
  {Red  ocher}  (Min.),  a  soft  earthy  variety  of  hematite,  of  a 
  reddish  color. 
 
  {Red  perch}  (Zo["o]l.),  the  rosefish. 
 
  {Red  phosphorus}.  (Chem.)  See  under  {Phosphorus}. 
 
  {Red  pine}  (Bot.),  an  American  species  of  pine  ({Pinus 
  resinosa});  --  so  named  from  its  reddish  bark. 
 
  {Red  precipitate}.  See  under  {Precipitate}. 
 
  {Red  Republican}  (European  Politics),  originally,  one  who 
  maintained  extreme  republican  doctrines  in  France,  -- 
  because  a  red  liberty  cap  was  the  badge  of  the  party;  an 
  extreme  radical  in  social  reform.  [Cant] 
 
  {Red  ribbon},  the  ribbon  of  the  Order  of  the  Bath  in  England. 
 
 
  {Red  sanders}.  (Bot.)  See  {Sanders}. 
 
  {Red  sandstone}.  (Geol.)  See  under  {Sandstone}. 
 
  {Red  scale}  (Zo["o]l.),  a  scale  insect  ({Aspidiotus 
  aurantii})  very  injurious  to  the  orange  tree  in  California 
  and  Australia. 
 
  {Red  silver}  (Min.),  an  ore  of  silver,  of  a  ruby-red  or 
  reddish  black  color.  It  includes  {proustite},  or  light  red 
  silver,  and  {pyrargyrite},  or  dark  red  silver. 
 
  {Red  snapper}  (Zo["o]l.),  a  large  fish  ({Lutlanus  aya  or 
  Blackfordii})  abundant  in  the  Gulf  of  Mexico  and  about  the 
  Florida  reefs. 
 
  {Red  snow},  snow  colored  by  a  mocroscopic  unicellular  alga 
  ({Protococcus  nivalis})  which  produces  large  patches  of 
  scarlet  on  the  snows  of  arctic  or  mountainous  regions. 
 
  {Red  softening}  (Med.)  a  form  of  cerebral  softening  in  which 
  the  affected  parts  are  red,  --  a  condition  due  either  to 
  infarction  or  inflammation. 
 
  {Red  spider}  (Zo["o]l.),  a  very  small  web-spinning  mite 
  ({Tetranychus  telarius})  which  infests,  and  often 
  destroys,  plants  of  various  kinds,  especially  those 
  cultivated  in  houses  and  conservatories.  It  feeds  mostly 
  on  the  under  side  of  the  leaves,  and  causes  them  to  turn 
  yellow  and  die.  The  adult  insects  are  usually  pale  red. 
  Called  also  {red  mite}. 
 
  {Red  squirrel}  (Zo["o]l.),  the  chickaree. 
 
  {Red  tape},  the  tape  used  in  public  offices  for  tying  up 
  documents,  etc.;  hence  official  formality  and  delay.