Noun

(en noun)

(mathematics, physics) A variable kept constant during an experiment, calculation or similar.

(programming) An input variable of a procedure definition, that gets an actual value (argument) at execution time (formal parameter) .

Roughly, a tuple of arguments could be thought of as a vector, whereas a tuple of parameters''' could be thought of as a covector (i.e., linear functional). When a function is called, a '''parameter tuple becomes "bound" to an argument tuple, allowing the function instance itself to be computed to yield a return value. This would be roughly analogous to applying a covector to a vector (by taking their dot product (or, rather, matrix-product of row vector and column vector)) to obtain a scalar.

(programming) An actual value given to such a formal parameter (argument or actual parameter) .

A characteristic or feature that distinguishes something from others.

(geometry) In the ellipse and hyperbola, a third proportional to any diameter and its conjugate, or in the parabola, to any abscissa and the corresponding ordinate.

The parameter of the principal axis of a conic section is called the latus rectum.

(crystallography) The ratio of the three crystallographic axes which determines the position of any plane.

(crystallography) The fundamental axial ratio for a given species.

Noun

(en noun)

A principle or example or measure used for comparison.

# A level of quality or attainment.

#*

, title=(The Celebrity), chapter=8 , passage=The humor of my proposition appealed more strongly to Miss Trevor than I had looked for, and from that time forward she became her old self again;

# Something used as a measure for comparative evaluations; a model.

#* (Jonathan Swift) (1667–1745)

the court, which used to be the standard of property and correctness of speech

#* (Edmund Burke) (1729-1797)

A disposition to preserve, and an ability to improve, taken together, would be my standard of a statesman.

# A musical work of established popularity.

# A rule or set of rules or requirements which are widely agreed upon or imposed by government.

# The proportion of weights of fine metal and alloy established for coinage.

#* (John Arbuthnot) (1667-1735)

By the present standard of the coinage, sixty-two shillings is coined out of one pound weight of silver.

# A bottle of wine containing 0.750 liters of fluid.

A vertical pole with something at its apex.

# An object supported in an upright position, such as a .

#* {{quote-book, year=1963, author=(Margery Allingham)

, chapter=Foreword, title= The China Governess , passage=‘It was called the wickedest street in London and the entrance was just here. I imagine the mouth of the road lay between this lamp standard and the second from the next down there.’}}

# The flag or ensign carried by a military unit.

#* Fairfax

His armies, in the following day, / On those fair plains their standards proud display.

# One of the upright members that supports the horizontal axis of a transit or theodolite.

# Any upright support, such as one of the poles of a scaffold.

# A tree of natural size supported by its own stem, and not dwarfed by grafting on the stock of a smaller species nor trained upon a wall or trellis.

#* Sir W. Temple

In France part of their gardens is laid out for flowers, others for fruits; some standards , some against walls.

# The sheth of a plough.

A manual transmission vehicle.

(botany) The upper petal or banner of a papilionaceous corolla.

(shipbuilding) An inverted knee timber placed upon the deck instead of beneath it, with its vertical branch turned upward from that which lies horizontally.

A large drinking cup.

(Greene)