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To demand; to insist upon having; to claim as by right and authority; to exact; as, to require the surrender of property. Shall I say to Cæsar What you require of him Shak. By nature did what was by law required. Dryden.

That which is required; an imperative or authoritative command; an essential condition; something needed or necessary; a need. One of those who believe that they can fill up every requirement contained in the rule of righteousness. J. M. Mason. God gave her the child, and gave her too an instinctive knowledge of its na…

One who requires.

To require beforehand. Some things are prerequired of us. Bp. Hall.

In exact or careful conformity to truth, or to some standard of requirement, the result of care or pains; free from failure, error, or defect; exact; as, an accurate calculator; an accurate measure; accurate expression, knowledge, etc.

or the fact that, to produce a complete reaction, a certain definite weight of reagent is required. -- Ac`id*i*met"ric*al, a.

Equal to some requirement; proportionate, or correspondent; fully sufficient; as, powers adequate to a great work; an adequate definition. Ireland had no adequate champion. De Quincey.

Not standing by itself; dependent. Adjective color, a color which requires to be fixed by some mordant or base to give it permanency.

Premeditated; prepense; previously in mind; designed; as, malice aforethought, which is required to constitute murder. Bouvier.

o those birds whose young are hatched in a very immature and helpless condition, so as to require the care of their parents for some time; -- opposed to præcoces.

Microörganisms which do not require oxygen, but are killed by it. Sternberg.

The lantern shown at night by a vessel at anchor. International rules of the road require vessels at anchor to carry from sunset to sunrise a single white light forward if under 150 feet in length, and if longer, two such lights, one near the stern and one forward.

one who makes request; a petitioner. The applicant for a cup of water. Plumtre. The court require the applicant to appear in person. Z. Swift.

any value or form may at will be given, so that the solution may be made to meet special requirements. -- Arbitrary quantity (Math.), one to which any value can be assigned at pleasure.

An artistic worker; a mechanic or manufacturer; one whose occupation requires skill or knowledge of a particular kind, as a silversmith.

hall never find thee. Rowe. So as, so that. [Obs.] The relations are so uncertain as they require a great deal of examination. Bacon.

To require, demand, claim, or expect, whether by way of remuneration or return, or as a matter of necessity; as, what price do you ask Ask me never so much dowry. Gen. xxxiv. 12. To whom men have committed much, of him they will ask the more. Luke xii. 48. An exigence of state asks a much longer time to conduct a desig…

e sight; at this news; merry at anything; at this declaration; at his command; to demand, require, receive, deserve, endure at your hands.

o be ready for service; to wait or be in waiting; -- often followed by on or upon. He was required to attend upon the committee. Clarendon.

n which the law-executing power is a party, and to advise this supreme executive whenever required. Wharton.