# y1

Line breaks: y

### abbreviation

Year(s): orbital period (Pluto): 248.5y

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# Y2

Line breaks: Y
Pronunciation: /wʌɪ /
(also y)

### noun (plural Ys or Y's)

1The twenty-fifth letter of the alphabet.
Example sentences
• Created by two of todays wittiest, most imaginative minds, The Alphabet from A to Y with Bonus Letter Z! is a sheer delight from A to Z.
• Find fun games, crafts, stories, and other educational activities all related to the letter Y.
1.1Denoting the next after X in a set of items, categories, etc.
Example sentences
• What Comes Next After Generation X? ... I would say, generation Y.
• After Boomers and X's, Here Come the Y's.
1.2Denoting a second unknown or unspecified person or thing: the claim that chemical X causes birth defect Y
More example sentences
• Y denotes a second unknown or unspecified person or thing: the claim that chemical X causes birth defect Y.
• In mathematics, Y is the second in a set of two or three unknowns comprising x, y, and z.
1.3 (usually y) The second unknown quantity in an algebraic expression, usually the dependent variable.
[the introduction of x, y, and z as symbols of unknown quantities is due to Descartes (see X1)]
Example sentences
• By convention, we call the dependent variable y.
• In algebra, a variable is a symbol used to represent any number. For example, in this equation:. 2(x+y) = 2x + 2y. x and y are variables.
1.4 (usually y) Denoting the secondary or vertical axis in a system of coordinates: [in combination]: the y-axis
More example sentences
• Cartesian coordinate system with the circle of radius 2 centered at the origin marked in red. The equation of the circle is x2 + y2 = 4..
• The horizontal axis is normally labeled x, and the vertical axis is normally labeled y.
2 (Y) A shape like that of a capital Y: [in combination]: rows of tiny Y-shaped motifs

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## More on y

### Nearby words

Result list for y

### Translate Y

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# Y3

Line breaks: Y
Pronunciation: /wʌɪ /

### abbreviation

1Yen: Y140
1.1North American informal A YMCA or YWCA hostel: Scott was living at the Y
More example sentences
• With the intensity of the heat and the humidity becoming all a little too much, I came back to the Y, for a swim and for a sleep.
• Its Fun To Stay At The Y in HK.

### symbol

The chemical element yttrium.

## Definition of y in:

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