Touchstone ( noun , verb )

(As a noun)

Touchstone ( noun )

1. A standard or criterion by which something is judged or recognized.
2. A test for determining the quality or genuineness of something.
3. A black siliceous stone used to test the purity of gold and silver alloys.

Origin:

Middle english toucheston, from old english tōcenstān, from tōcen (neuter of tōcen) touch + stān stone.

Examples:

1. The Constitution is often considered a touchstone of democratic values.
2. His work on the project served as a touchstone for the entire team.
3. His integrity was a touchstone by which he was judged by his peers.
4. The touchstone of a true professional is their ability to deliver results.
5. The touchstone for the gold was said to have been lost in the fire.

(As a verb)

Touchstone ( verb )

1. A standard or criterion by which something is judged or recognized.
2. A test for determining the quality or genuineness of something.
3. A black siliceous stone used to test the purity of gold and silver alloys.

Origin:

Middle english toucheston, from old english tōcenstān, from tōcen (neuter of tōcen) touch + stān stone.

Examples:

1. The Constitution is often considered a touchstone of democratic values.
2. His work on the project served as a touchstone for the entire team.
3. His integrity was a touchstone by which he was judged by his peers.
4. The touchstone of a true professional is their ability to deliver results.
5. The touchstone for the gold was said to have been lost in the fire.