182  Spelling,  etc.,  of  Chemical  Terms.  {A^J«g.M«m. 
TERMINATIONS  IN  -yde. 
The  y  is  long  (as  a/  1  d  e  h  y  d  e). 
terminations  in  -meter. 
The  accent  follows  the  general  rule  (as  hydro'meter,  b  a  r  o'- 
meter,  lacto'meter). 
Exception :  Words  of  this  class  used  in  the  metric  system  are 
regarded  as  compound  words,  and  each  portion  retains  its  own 
accent  (as  c  e'  n  t  i  m  e/;  t  e  r,  m  V  1 1  i  m  e"  t  e  r,  kl'lome^te  r). 
miscellaneous  words 
which  do  not  fall  under  the  preceding  rules. 
Note  the  spelling  :  albumen,  albuminous,  albuminifer- 
ous,  asbestos,  gramme,  radical. 
Note  the  pronunciation:  a'lkallne,  a' 1 1  o  y  (n.  &  v.)  a'llo- 
tropy,  a'llotropism,  isomerism,  po'lymerism,  appa- 
ratus (sing.  &  plu.),  aqua  regi  a,  bar  yrt  a,  centigrade,  con- 
centrated, cry  stall  in  or  crystalline,  electro'  lysis, 
liter,  molecule,  mo'le'cular,  n  o'.m  e  n  c  1  a/r  t  u  r  e,  o  1  e'  f  i- 
ant,  va'lence,  u'niva'Ment,  bi'va'Ment,  tri' valient, 
q  u  a' d  r  i  v  a/r  le  n  t,  titrate. 
A  LIST  OF  WORDS  WHOSE  USE  SHOULD  BE  AVOIDED  IN  FAVOR  OF  THE 
ACCOMPANYING  SYNONYMS. 
For  Use 
beryllium  glucinum 
niobium  columbium 
thein  caffein 
titer  (n.)  strength  or  standard 
titer  (v.)  titrate 
monovalent  univalent 
d  i  v  a  1  e  n  t,  etc.  b  i  v  a  1  e  n  t,  etc. 
q uantivalence  valence 
sodic,  calcic,  zincic,  sodium,  calcium,  zinc, 
n  i  c  k  e  1  i  c,  etc.,  c  h  1  o  r  i  d,  nickel,  etc.,  c  h  1  o  r  i  d,  etc. 
etc.  (vid.  terminations  in  -ic  supra.) 
arsenetted  hydrogen  arsin 
antimonetted  hydrogen  stibin 
phosphoretted  hydrogen  phosphin 
sulfuretted  hydrogen,  etc.    hydrogen  s  u  1  f  i  d,  etc. 
alkylogens  a 1 k  y 1  haloids 
