a. Pertaining to the accusative case. [ 1913 Webster ]

v. t. To make active. [ Obs. ] [ 1913 Webster ]

adj. 1. (Sewage treatment) treated with aeration and bacteria to aid decomposition; -- of sewage [ WordNet 1.5 ]

3. (Physics) made reactive or more reactive; -- of e.g. a molecule
Syn. -- activated, excited [ WordNet 1.5 ]

4. rendered active; -- as e.g. radioactive or luminescent or photosensitive or conductive
Syn. -- activated [ WordNet 1.5 ]

5. (Military) set up and placed on active assignment a newly activated unit
Syn. -- activated [ WordNet 1.5 ]

adj. prenom. 1. causing motion or action or change
Syn. -- actuating(prenominal) [ WordNet 1.5 ]

n. 1. same as activation{ 1 }.
Syn. -- energizing, activation [ WordNet 1.5 ]

n. 1. the process of making active.
Syn. -- energizing, activating [ WordNet 1.5 2. making active and effective (as a bomb). [ 1913 Webster ]

certain devices, as bombs or artillery shells, are designed to be unable to operate until a specific action (activation or arming) is taken to make them operable. [ WordNet 1.5 ]

n. 1. any agency bringing about activation; (Biol.) a molecule that increases the activity of an enzyme or a protein that increases the production of a gene product in DNA transcription. [ WordNet 1.5 ]

a. Of or relating to the relating to the adjective; of the nature of an adjective; adjective. W. Taylor (1797) [ 1913 Webster ]

adv. As, or in the manner of, an adjective; adjectively. [ 1913 Webster ]

a. [ L. aestivalis, aestivus, fr. aestas summer. ] Of or belonging to the summer; as, æstival diseases. [ Spelt also estival. ] [ 1913 Webster ]

v. i. [ L. aestivare, aestivatum. ] 1. To spend the summer. [ 1913 Webster ]

2. (Zool.) To pass the summer in a state of torpor. [ 1913 Webster ]

[ Spelt also estivate. ] [ 1913 Webster ]

n. 1. (Zool.) The state of torpidity induced by the heat and dryness of summer, as in certain snails; -- opposed to hibernation. [ 1913 Webster ]

2. (Bot.) The arrangement of the petals in a flower bud, as to folding, overlapping, etc.; prefloration. Gray. [ 1913 Webster ]

[ Spelt also estivation. ] [ 1913 Webster ]

n. 1. mixed feelings or emotions; uncertainty or vacillation in making a choice. [ WordNet 1.5 +PJC ]

2. (Psychol.) the simultaneous existence within a person of both positive and negative feelings toward another person or action, or toward an object (as of attraction and revulsion), resulting in internal conflict. [ PJC ]

adj. 1. 1 undecided as to whether or not to take a proposed course of action; having feelings both for and against the proposed action.
Syn. -- on the fence(predicate), suspensive, uncertain [ WordNet 1.5 ]

n. Opposition to vaccination. London Times. [ 1913 Webster ]

n. An antivaccinist. [ 1913 Webster ]

n. One opposed to vaccination. [ 1913 Webster ]

a. Preventing the contagion of smallpox. [ 1913 Webster ]

a. Pertaining to, or contained in, archives or records. Tooke. [ 1913 Webster ]

n. [ From Arrive. ] 1. The act of arriving, or coming; the act of reaching a place from a distance, whether by water (as in its original sense) or by land. [ 1913 Webster ]

Our watchmen from the towers, with longing eyes,
Expect his swift arrival. Dryden. [ 1913 Webster ]

2. The attainment or reaching of any object, by effort, or in natural course; as, our arrival at this conclusion was wholly unexpected. [ 1913 Webster ]

3. The person or thing arriving or which has arrived; as, news brought by the last arrival. [ 1913 Webster ]

Another arrival still more important was speedily announced. Macaulay. [ 1913 Webster ]

4. An approach. [ Obs. ] [ 1913 Webster ]

The house has a corner arrival. H. Walpole. [ 1913 Webster ]

n. Arrival. [ Obs. ] Shak. [ 1913 Webster ]

n. (Chem.) The quality of being bivalent. [ 1913 Webster ]

a. [ L. bis twice + valens, p. pr. See Valence. ] (Chem.) Equivalent in combining or displacing power to two atoms of hydrogen; dyad. [ 1913 Webster ]

n. [ F. bivalve; bi- (L. bis) + valve valve. ] 1. (Zool.) A mollusk having a shell consisting of two lateral plates or valves joined together by an elastic ligament at the hinge, which is usually strengthened by prominences called teeth. The shell is closed by the contraction of two transverse muscles attached to the inner surface, as in the clam, -- or by one, as in the oyster. See Mollusca. [ 1913 Webster ]

2. (Bot.) A pericarp in which the seed case opens or splits into two parts or valves. [ 1913 Webster ]

a. [ Pref. bi- + valve. ] (Zool. & Bot.) Having two shells or valves which open and shut, as the oyster and certain seed vessels. [ 1913 Webster ]

a. Having two valves, as the oyster and some seed pods; bivalve. [ 1913 Webster ]

a. Bivalvular. [ 1913 Webster ]

a. Having two valves. [ 1913 Webster ]

a. [ Pref. bi- + vault. ] Having two vaults or arches. [ 1913 Webster ]

‖ pl. Bons vivants [ F. bon good + vivant, p. pr. of vivre to live. ] A good fellow; a jovial companion; a free liver. [ 1913 Webster ]

v. t. [ imp. & p. p. Captivated; p. pr. & vb. n. Captivating. ] [ L. captivatus, p. p. of captivare to capture, fr. captivus captive. See Captive. ] 1. To take prisoner; to capture; to subdue. [ Obs. ] [ 1913 Webster ]

Their woes whom fortune captivates. Shak. [ 1913 Webster ]

2. To acquire ascendancy over by reason of some art or attraction; to fascinate; to charm; as, Cleopatra captivated Antony; the orator captivated all hearts. [ 1913 Webster ]

Small landscapes of captivating loveliness. W. Irving.

Syn. -- To enslave; subdue; overpower; charm; enchant; bewitch; facinate; capture; lead captive. [ 1913 Webster ]

p. a. [ L. captivatus. ] Taken prisoner; made captive; insnared; charmed. [ 1913 Webster ]

Women have been captivate ere now. Shak. [ 1913 Webster ]

adj. 1. having an affection or admiration, caused by charm of the person or object.
Syn. -- charmed. [ WordNet 1.5 ]

2. filled with wonder and delight.
Syn. -- beguiled, charmed, delighted, enthralled, entranced. [ WordNet 1.5 ]

a. Having power to captivate or charm; fascinating; as, captivating smiles. -- Cap"ti*va`ting*ly, adv. [1913 Webster]

n. [ L. capticatio. ] The act of captivating. [ R. ] [ 1913 Webster ]

The captivation of our understanding. Bp. Hall. [ 1913 Webster ]

n. [ It. carnevale, prob. for older carnelevale, prop., the putting away of meat; fr. L. caro, carnis, flesh + levare to take away, lift up, fr. levis light. ] 1. A festival celebrated with merriment and revelry in Roman Catholic countries during the week before Lent, esp. at Rome and Naples, during a few days (three to ten) before Lent, ending with Shrove Tuesday. [ 1913 Webster ]

The carnival at Venice is everywhere talked of. Addison. [ 1913 Webster ]

2. Any merrymaking, feasting, or masquerading, especially when overstepping the bounds of decorum; a time of riotous excess. Tennyson. [ 1913 Webster ]

He saw the lean dogs beneath the wall
Hold o'er the dead their carnival Byron. [ 1913 Webster ]

‖n. [ F. ] A mock serenade of discordant noises, made with kettles, tin horns, etc., designed to annoy and insult; -- called also shivaree.
Syn. -- shivaree, charivari, callithump, callathump. [ 1913 Webster ]

☞ It was at first performed before the house of any person of advanced age who married a second time. [ 1913 Webster ]

n. [ OF. chevauchie, chevauchée; of the same origin as E. cavalcade. ] A cavalry raid; hence, a military expedition. [ Obs. ] Chaucer. [ 1913 Webster ]

a. [ See Chivalry. ] Relating to chivalry; knightly; chivalrous. [ 1913 Webster ]

a. [ OF. chevalerus, chevalereus, fr. chevalier. See Chivalry. ] Pertaining to chivalry or knight-errantry; warlike; heroic; gallant; high-spirited; high-minded; magnanimous. [ 1913 Webster ]

In brave pursuit of chivalrous emprise. Spenser. [ 1913 Webster ]

adv. In a chivalrous manner; gallantly; magnanimously. [ 1913 Webster ]

n. [ F. chevalerie, fr. chevalier knight, OF., horseman. See Chevalier, and cf. Cavalry. ] 1. A body or order of cavaliers or knights serving on horseback; illustrious warriors, collectively; cavalry. “His Memphian chivalry.” Milton. [ 1913 Webster ]

By his light
Did all the chivalry of England move,
To do brave acts. Shak. [ 1913 Webster ]

2. The dignity or system of knighthood; the spirit, usages, or manners of knighthood; the practice of knight-errantry. Dryden. [ 1913 Webster ]

3. The qualifications or character of knights, as valor, dexterity in arms, courtesy, etc. [ 1913 Webster ]

The glory of our Troy this day doth lie
On his fair worth and single chivalry. Shak. [ 1913 Webster ]

4. (Eng. Law) A tenure of lands by knight's service; that is, by the condition of a knight's performing service on horseback, or of performing some noble or military service to his lord. [ 1913 Webster ]

5. Exploit. [ Obs. ] Sir P. Sidney. [ 1913 Webster ]

Court of chivalry, a court formerly held before the lord high constable and earl marshal of England as judges, having cognizance of contracts and other matters relating to deeds of arms and war. Blackstone. [ 1913 Webster ]

n. a noisy mock serenade (made by banging pans and kettles) to a newly married couple.
Syn. -- shivaree, charivari, callithump, callathump. [ WordNet 1.5 ]

{ ‖‖ } n. pl. [ Mex. Sp. ] Leggings. [ Mex. & Southwestern U. S. ] [ Webster 1913 Suppl. ]

‖n. [ It. ] A body of followers; -- applied to the lawless or brigand bands in Italy and Sicily. [ Webster 1913 Suppl. ]

a. [ Cf. F. concevable. ] Capable of being conceived, imagined, or understood. “Any conceivable weight.” Bp. Wilkins. [ 1913 Webster ]

It is not conceivable that it should be indeed that very person whose shape and voice it assumed. Atterbury.

-- Con*ceiv"a*ble*ness, n. -- Con*ceiv"a*bly, adv. [ 1913 Webster ]

‖n. [ NL., from L. conjunctivus connective. ] (Anat.) The mucous membrane which covers the external surface of the ball of the eye and the inner surface of the lids; the conjunctival membrane. [ 1913 Webster ]

a. 1. Joining; connecting. [ 1913 Webster ]

2. (Anat.) Of or pertaining to the conjunctiva. [ 1913 Webster ]

n. [ Cf. F. connivence, L. conniventia. ] 1. Intentional failure or forbearance to discover a fault or wrongdoing; voluntary oversight; passive consent or cooperation. [ 1913 Webster ]

2. (Law) Corrupt or guilty assent to wrongdoing, not involving actual participation in, but knowledge of, and failure to prevent or oppose it.

Syn. -- See Collusion. [ 1913 Webster ]

a. Capable of being contrived, planned, invented, or devised. [ 1913 Webster ]

A perpetual motion may seem easily contrivable. Bp. Wilkins. [ 1913 Webster ]