(n) arterial blood
(n) aneurysm
aneurism
(n) (ling) gerund
verbal noun
(n) efficient cause
(n) dynamics
(n) dynamometer
(n) source of power
(n) nuclear power reactor
(n) daily motion
(n) (ling) active voice
(adj-na) active
(P)
(n) brain activity
(n) brain artery
(n) wave theory (physics)
(n) pulmonary artery
(n) engine
(n,adj-f) semi-automatic
(n) a reactionary
(adj-na) reactionary
(n) the reactionaries
(n) inactive
(adj-f) non-perturbative
(n) inaction
lethargy
(n) real estate
(P)
(n) imperturbability
(n) floating stock
(n) swing vote
(P)
(n) rice riots
(n) flying column
detached force
(n) variable cost