s
1
t
1
o
1
i
1
c
3
h
4
i
1
o
1
m
3
e
1
t
1
r
1
i
1
e
1
s
1
15 letters ·
22 points in Scrabble
Meaning
noun
(chemistry) the relation between the quantities of substances that take part in a reaction or form a compound (typically a ratio of whole integers)