chief of state. n. pl. chiefs of state. The formal head of a nation, distinct from the head of the government. Also called head of state. chiefâ² of stateâ² n. the titular head of a nation, as a president or king. Thesaurus Antonyms Related Words Synonyms Legend: Switch to new thesaurus . Noun: 1.
Strength is an important quality in the use of metals. This is especially true in construction, transportation, heavy industry and tool making. Metal alloys are often stronger than a metal in their pure form. In discussing the strongest metals, we should first consider what we mean by strength.
Researchers from MIT have created a new material that is actually stronger than graphene â making it 10 times stronger than steel, with only five percent of its density. The research has many applications, according to experts, including ones in the fields of architecture, construction, and even filtration.