[see also: part, importance, significance, relevance, interest]
By interchanging $\langle$exchanging$\rangle$ the roles of $X$ and $Y$, it follows that ......
Here $f$ takes over the role of the time parameter.
It turns out that these properties play no role in the proof.
In closing this section we take up a result which will play a pivotal role in the characterization of ......
Its role is to rule out having two or more consecutive $P$-moves (on the grounds that they can be performed in one go).
a key $\langle$principal/significant/important$\rangle$ role
Go to the list of words starting with: a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
p
q
r
s
t
u
v
w
y
z