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A measuring instrument that measures the hardness of materials by penetrating them with a stylus that has a diamond point
Answer for the clue "A measuring instrument that measures the hardness of materials by penetrating them with a stylus that has a diamond point ", 11 letters:
sclerometer
Word definitions for sclerometer in dictionaries
WordNet
Word definitions in WordNet
n. a measuring instrument that measures the hardness of materials by penetrating them with a stylus that has a diamond point
The Collaborative International Dictionary
Word definitions in The Collaborative International Dictionary
Sclerometer \Scle*rom"e*ter\, n. [Gr. sklhro`s hard + -meter.] An instrument for determining with accuracy the degree of hardness of a mineral.
Wiktionary
Word definitions in Wiktionary
n. A device used to measure the hardness of a material by applying pressure to a moving diamond stylus.
Wikipedia
Word definitions in Wikipedia
The sclerometer , also known as the Turner-sclerometer (from meaning "hard"), is an instrument used by metallurgists , material scientists and mineralogists to measure the scratch hardness of materials. It was invented in 1896 by Thomas Turner (1861–1951), ...