техн. мятьё, трение
трение скольжения
трение качения
трение движения
трение покоя
(у відносинах між державами тощо) friction, tension
rubbing, friction, attrition;перен. discordance, disagreement, friction, clashes, conflicts;
без тертя (про роботу машини) — slick.
"Free speech carries with it some freedom to listen." Warren E. Burger
"Honor is not the exclusive property of any political party." Herbert Hoover
"Hitch your wagon to a star." Ralph Waldo Emerson
"If fear is cultivated it will become stronger, if faith is cultivated it will achieve mastery." John Paul Jones