Verb

(defin)

To determine with precision; to mark out with distinctness; to ascertain or exhibit clearly.

* Sir (Isaac Newton)

Ringsvery distinct and well defined .

*{{quote-magazine, year=2013, month=July-August, author= Lee S. Langston

, title= The Adaptable Gas Turbine , passage=Turbines have been around for a long time—windmills and water wheels are early examples. The name comes from the Latin turbo'', meaning ''vortex , and thus the defining property of a turbine is that a fluid or gas turns the blades of a rotor, which is attached to a shaft that can perform useful work.}}

(obsolete) To settle, decide (an argument etc.).

* 1596 , (Edmund Spenser), (The Faerie Queene) , IV.3:

These warlike Champions, all in armour shine, / Assembled were in field the chalenge to define .

To express the essential nature of something.

*{{quote-magazine, year=2013, month=May-June, author=

, volume=101, issue=3, page=178, magazine=(American Scientist) , title= Crinkly Curves , passage=Cantor defined a one-to-one correspondence between the points of the square and the points of the line segment. Every point in the square was associated with a single point in the segment; every point in the segment was matched with a unique point in the square.}}

To state the meaning of a word, phrase, sign, or symbol.

To describe, explain, or make definite and clear.

To demark sharply the outlines or limits of an area or concept.

*{{quote-magazine, year=2012, month=March-April, author=(Jan Sapp)

, volume=100, issue=2, page=164, magazine=(American Scientist) , title= Race Finished , passage=Few concepts are as emotionally charged as that of race. The word conjures up a mixture of associations—culture, ethnicity, genetics, subjugation, exclusion and persecution. But is the tragic history of efforts to define groups of people by race really a matter of the misuse of science, the abuse of a valid biological concept?}}

(mathematics) To establish the referent of a term or notation.

Verb

(declar)

(obsolete) To make clear, explain, interpret.

* 1526 , William Tyndale, trans. Bible , Matthew XV:

Then answered Peter and sayd to him: declare unto us thys parable.

* Boyle

To declare this a little, we must assume that the surfaces of all such bodies are exactly smooth.

To make a declaration.

To announce one’s support, choice, opinion, etc.

He declared him innocent.

(cricket) For the captain of the batting side to announce the innings complete even though all batsmen have not been dismissed.

To announce something formally or officially.

declare bankruptcy

declare victory

(cricket) declare (an innings) closed

To affirm or state something emphatically.

To inform government customs or taxation officials of goods one is importing or of income, expenses, or other circumstances affecting one's taxes.

* 1984 , Richard Woodbury and Anastasia Toufexis, " Law: The Trouble with Harry," Time , 2 April:

The prosecution has introduced evidence, including canceled checks, to show that the judge failed to declare part of his income.

To make outstanding debts, e.g. taxes, payable.

(computing) To explicitly include (a variable) as part of a list of variables, often providing some information about the data it is expected to contain.

The counter "i" was declared as an integer.