liquid poison

liquid poison

[′lik·wəd ′pȯiz·ən]
(nucleonics)
A neutron-absorbing liquid that can be injected quickly into the cooling system of a nuclear reactor by explosive-actuated valves; used for automatic or manual scramming to shut down a reactor.
References in periodicals archive ?
OWNING a home these days can be like sitting inside a giant brick chalice with liquid poison being pumped slowly into it.
Proposition 4 also would outlaw two poisons used in coyote control: sodium fluoracetate, a liquid poison released from collars worn by sheep and goats, and sodium cyanide, a powder contained in plastic capsules that are set in pastures where coyotes travel.