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{adj: Y-shaped} shaped in the form of the letter Y

{adj: palatal, palatalized, palatalised} produced with the front of the tongue near or touching the hard palate (as `y') or with the blade of the tongue near the hard palate (as `ch' in `chin' or `j' in `gin')

{adj: siamese} connecting two or more pipes or hoses or having such a connection
"a Y-shaped siamese joint"
"siamese fire-hose lines"

{adj: uppercase} relating to capital letters which were kept in the top half of a compositor's type case
"uppercase letters; X and Y and Z etc"
<-> lowercase

{n: Gongora, Luis de Gongora y Argote} a Spanish poet whose work was characterized by an affected elegance of style (1561-1627)

{n: Goya, Goya y Lucientes, Francisco Goya, Francisco de Goya, Francisco Jose de Goya, Francisco Jose de Goya y Lucientes} Spanish painter well known for his portraits and for his satires (1746-1828)

{n: Juan Carlos, Juan Carlos Victor Maria de Borbon y Borbon} king of Spain since 1975 (born in 1938)

{n: New York Stock Exchange, N. Y. Stock Exchange, NYSE, big board} a stock exchange in New York

{n: Ortega y Gasset, Jose Ortega y Gasset} Spanish philosopher who advocated leadership by an intellectual elite (1883-1955)

{n: QWERTY keyboard} the standard typewriter keyboard; the keys for Q, W, E, R, T, and Y are the first six from the left on the top row of letter keys

{n: Ramon y Cajal, Santiago Ramon y Cajal} Spanish histologist noted for his work on the structure of the nervous system (1852-1934)

{n: Velazquez, Diego Rodriguez de Silva y Velazquez} Spanish painter (1599-1660)

{n: XYY} (genetics) abnormal complement of sex hormones in a male who has two Y chromosomes

{n: Y chromosome} the sex chromosome that is carried by men
"human males normally have one X chromosome and one Y chromosome"

{n: Y, letter y, wye} the 25th letter of the Roman alphabet

{n: Y-linked gene, holandric gene} a gene located on a Y chromosome

{n: argument} a variable in a logical or mathematical expression whose value determines the dependent variable; if f(x)=y, x is the independent variable

{n: contextual definition} a definition in which the term is used by embedding it in a larger expression containing its explanation
"a contextual definition of `legal duty' might be `X has a legal duty to do Y means that X is required to do Y by a contract relationship that would be upheld in a court of law'"

{n: dependent variable} (statistics) a variable in a logical or mathematical expression whose value depends in the independent variable; if f(x)=y, y is the dependent variable

{n: factor of proportionality, constant of proportionality} the constant value of the ratio of two proportional quantities x and y; usually written y = kx, where k is the factor of proportionality

{n: inverse function} the function obtained by expressing the dependent variable of one function as the independent variable of another; f and g are inverse functions if f(x)=y and g(y)=x

{n: linear regression, rectilinear regression} the relation between variables when the regression equation is linear: e.g., y = ax + b

{n: plane, sheet} (mathematics) an unbounded two-dimensional shape
"we will refer to the plane of the graph as the X-Y plane"
"any line joining two points on a plane lies wholly on that plane"

{n: regression coefficient} when the regression line is linear (y = ax + b) the regression coefficient is the constant (a) that represents the rate of change of one variable (y) as a function of changes in the other (x); it is the slope of the regression line

{n: regression equation, regression of y on x} the equation representing the relation between selected values of one variable (x) and observed values of the other (y); it permits the prediction of the most probable values of y

{n: regression, simple regression, regression toward the mean, statistical regression} the relation between selected values of x and observed values of y (from which the most probable value of y can be predicted for any value of x)

{n: respecter} a person who respects someone or something; usually used in the negative
"X is no respecter of Y"

{n: sine curve, sinusoid} the curve of y=sin x

{n: slingshot, sling, catapult} a plaything consisting of a Y-shaped stick with elastic between the arms; used to propel small stones

{n: variable} a symbol (like x or y) that is used in mathematical or logical expressions to represent a variable quantity

{n: y-axis} the vertical axis in a plane coordinate system

{n: yttrium, Y, atomic number 39} a silvery metallic element that is common in rare-earth minerals; used in magnesium and aluminum alloys

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