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.
Full Definition of TREK. 1. chiefly South African: a journey by ox wagon; especially: an organized migration by a group of settlers. 2. : a trip or movement especially when involving difficulties or complex organization: an arduous journey. to walk usually for a long distance. : to travel by walking through an area with many mountains, rivers, etc., for pleasure and adventure. : to go on a long and often difficult journey.