Most antifreeze solutions contain high levels of ethylene glycol, an ingredient that, once metabolized, is extremely toxic to dogs and cats. Pets are often attracted to the liquid because of its sweet taste. Even small amounts can be lethal to animals.
Wiktionary(0.00 / 0 votes)Rate this definition: arduous(Adjective) Needing or using up much energy; testing powers of endurance. The movement towards a peaceful settlement has been a long and arduous political struggle.
But it is unfortunate that I can give no description of the arduous steps by which he reached such mastery over his art as he ever acquired; for if I could show him undaunted by failure, by an unceasing effort of courage holding despair at bay, doggedly persistent in the face of self-doubt, which is the artist's bitterest enemy, I might excite some sympathy for a personality which, I am all too conscious, must appear singularly devoid of charm.