Y (Noun)
Meaning 1
A silvery metallic element that is common in rare-earth minerals; used in magnesium and aluminum alloys.
Classification
Nouns denoting substances.
Examples
- Yttrium is a soft, silvery-metallic element that is highly reactive and is never found in nature as a free element.
- The most important use of yttrium is in making phosphors, such as the red phosphor used in television color picture tubes.
- Yttrium is also used in the production of superconductors, which are materials that can conduct electricity with zero resistance.
- Yttrium is a key component in the production of yttrium aluminum garnet, a synthetic mineral used in lasers and other optical devices.
- Yttrium is used in the manufacture of spark plugs, where its high melting point and resistance to corrosion make it an ideal material.
Synonyms
Hypernyms
Meaning 2
The 25th letter of the Roman alphabet.
Classification
Nouns denoting communicative processes and contents.
Examples
- The teacher wrote the letter Y on the blackboard for the students to practice.
- The letter Y is often used as a symbol for "yes" in informal writing.
- In phonetics, the letter Y is sometimes used to represent a vowel sound.
- The letter Y is the 25th letter of the modern English alphabet.
- Typing the letter Y on a keyboard requires a specific finger movement.