n. [ Acetyl + amide. ] (Chem.) A white crystalline solid, from ammonia by replacement of an equivalent of hydrogen by acetyl. [ 1913 Webster ]

n. 1. a white crystalline compound (HO.C6H4.NH.CO.CH3) used as an analgesic and also as an antipyretic. It has molecular weight 151.16. It is the active ingredient in the commercial analgesics Tylenol and Datril.
Syn. -- p-hydroxyacetanilide, p-acetamidophenol, N-acetyl-p-aminophenol, paracetamol, N-(4-hydroxyphenyl)acetamide It is sold under many trade names, and has been one of the most popular analgesics in the late 20th century. It is used in place of aspirin by people in whom aspirin causes undesirable side effects, such as stomach irritation or stomach bleeding. [ PJC ]

n. [ L. additamentum, fr. additus, p. p. of addere to add. ] An addition, or a thing added. Fuller. [ 1913 Webster ]

My persuasion that the latter verses of the chapter were an additament of a later age. Coleridge. [ 1913 Webster ]

a. (Zool.) Away from the ambulacral region. [ 1913 Webster ]

n. 1. 1 a natural family comprising the wood swallows.
Syn. -- family Artamidae. [ WordNet 1.5 ]

n. 1. 1 the type genus of the Artamidae.
Syn. -- genus Artamus. [ WordNet 1.5 ]

n. 1. an artificial sweetener containing an aspartic acid peptide, (C14H18N2O5); it is 160 times sweeter than sucrose (cane sugar) and is used as a calorie-free sweetener. Chemically it is N-L-α-aspartyl-L-phenylalanine-1-methyl ester. It is sold also under the trade name Equal. [ WordNet 1.5 ]

n. [ Russ. ataman': cf. Pol. hetman, G. hauptmann headman, chieftain. Cf. Hetman. ] A hetman, or chief of the Cossacks. [ 1913 Webster ]

[ Atamasco is fr. North American Indian. ] (Bot.) See under Lily. [ Webster 1913 Suppl. ]

v. t. [ OF. atamer, from Latin. See Attaminate. ] 1. To pierce; to attack. [ Obs. ] [ 1913 Webster ]

2. To broach; to begin. [ 1913 Webster ]

And right anon his tale he hath attamed. Chaucer. [ 1913 Webster ]

v. t. [ L. attaminare; ad + root of tangere. See Contaminate. ] To corrupt; to defile; to contaminate. [ Obs. ] Blount. [ 1913 Webster ]

‖n. [ Sp., fr. OSp. ayuntar to join. ] In Spain and Spanish America, a corporation or body of magistrates in cities and towns, corresponding to mayor and aldermen. [ 1913 Webster ]

n. A variety of small barnyard fowl, with feathered legs, probably brought from Bantam, a district of Java. [ 1913 Webster ]

. Carved and painted work in imitation of Japan ware. [ 1913 Webster ]

n. [ The native East Indian name. ] 1. A kind of raft or float, consisting of two or more logs or pieces of wood lashed together, and moved by paddles or sail; -- used as a surf boat and for other purposes on the coasts of the East and West Indies and South America. Modified forms are much used in the lumber regions of North America, and at life-saving stations. [ 1913 Webster ]

2. Any vessel with twin hulls, whether propelled by sails or by steam; esp., one of a class of double-hulled pleasure boats remarkable for speed. [ 1913 Webster ]

3. A kind of fire raft or torpedo bat. [ 1913 Webster ]

The incendiary rafts prepared by Sir Sidney Smith for destroying the French flotilla at Boulogne, 1804, were called catamarans. Knight. [ 1913 Webster ]

4. A quarrelsome woman; a scold. [ Colloq. ] [ 1913 Webster ]

‖n. pl. [ NL., fr. Gr. ta` katamh`nia. ] (Med.) The monthly courses of women; menstrual discharges; menses. [ 1913 Webster ]

a. [ Gr. katamh`nios monthly; kata` down, back, again + mh`n month. ] Pertaining to the catamenia, or menstrual discharges. [ 1913 Webster ]

n. [ L. Catamitus, an old form of Ganymedes Ganymede, Gr. Ganymh`dhs. ] A boy kept for unnatural purposes. [ 1913 Webster ]

n. [ Cat + mount; cf. Sp. gato montes mountain cat. ] (Zool.) The cougar. Applied also, in some parts of the United States, to the lynx. [ 1913 Webster ]

n. 1. the bushy-tailed European wildcat (Felis silvestris) resembling the domestic tabby and regarded as the ancestor of the domestic cat.
Syn. -- European wildcat, Felis silvestris. [ WordNet 1.5 ]

n. 1. a shrubby tree of the U. S. Pacific coast (Rhamnus purshianus or Rhamnus purshiana), whose bark is the cascara sagrada, used as a mild cathartic or laxative.
Syn. -- cascara, cascara buckthorn, bearberry, bearwood, chittimwood, Rhamnus purshianus. [ WordNet 1.5 ]

2. a deciduous tree of SE U.S. and Mexico.
Syn. -- false buckthorn, chittimwood, shittimwood, black haw, Bumelia lanuginosa. [ WordNet 1.5 ]

3. a shrubby tree of southern U.S. (Cotinus obovatus) having large plumes of feathery flowers resembling puffs of smoke; -- called also American smoke tree.
Syn. -- American smokewood, Cotinus americanus, Cotinus obovatus. [ WordNet 1.5 ]

a. Capable of being contaminated. [ 1913 Webster ]

v. t. [ imp. & p. p. Contaminated p. pr. & vb. n. Contaminating ] [ L. contaminatus, p. p. of contaminare to bring into contact, to contaminate, fr. contamen contagion, for contagmen; con- + root of tangere to touch. See Contact. ] To soil, stain, or corrupt by contact; to tarnish; to sully; to taint; to pollute; to defile. [ 1913 Webster ]

Shall we now
Contaminate our figures with base bribes? Shak. [ 1913 Webster ]

I would neither have simplicity imposed upon, nor virtue contaminated. Goldsmith.

Syn. -- To pollute; defile; sully; taint; tarnish; soil; stain; corrupt. [ 1913 Webster ]

a. Contaminated; defiled; polluted; tainted. “Contaminate drink.” Daniel. [ 1913 Webster ]

adj. 1. containing undesired or infective microorganisms.
Syn. -- dirty, infected. [ WordNet 1.5 ]

2. rendered impure by addition of deleterious substances; as, had to boil the contaminated water.
Syn. -- polluted. [ WordNet 1.5 ]

3. 1 (Computers) damaged by inclusion of incorrect data or information not belonging; as, The file was contaminated by a buggy editor.
Syn. -- corrupted. [ PJC ]

4. appearing unethical due to a questionable source or motives; -- of money or activities; as, The fund was contaminated by a large donation from a mobster.
Syn. -- tainted. [ PJC ]

adj. spreading contamination; especially radioactive contamination. clean
Syn. -- dirty. [ WordNet 1.5 ]

2. causing moral or behavioral degredation. the contaminating influence of violent movies
Syn. -- corrupting. [ WordNet 1.5 +PJC ]

n. [ L. contaminatio. ] The act or process of contaminating; pollution; defilement; taint; also, that which contaminates. [ 1913 Webster ]

a. Tending or liable to contaminate. [ 1913 Webster ]

v. t. To remove contamination or contaminants from, by a cleansing process; -- usually used of radioactive, infectious, or toxic materials; as, to decontaminate clothing worn by persons with infective disease; decontaminate an area of PCB's after explosion of a transformer. [ PJC ]

n. The removal of contaminants; as, the decontamination of a room after a spill of radioactive materials. [ WordNet 1.5 +PJC ]

‖n. [ LL., fr. dictare to dictate. ] A dictation or dictate. [ R. ] Falkland. [ 1913 Webster ]

‖n. [ L. See Dittany. ] (Bot.) A suffrutescent herb, Dictamnus Fraxinella (the only species), with strong perfume and showy flowers. The volatile oil of the leaves is highly inflammable. [ 1913 Webster ]

v. t. To stamp; to mark as with a stamp; to impress deeply. [ 1913 Webster ]

It is the motive . . . which enstamps the character. Gogan. [ 1913 Webster ]

v. t. To tame. [ Obs. ] Shak. [ 1913 Webster ]

‖n. [ F. ] A café, or room in a café, in which smoking is allowed. [ Webster 1913 Suppl. ]

n. [ F. élamine. ] A light textile fabric, like a fine bunting. [ Webster 1913 Suppl. ]

prop. n. The family name of Buddha, the founder of Buddhism; born ca. 563 b.c., died ca. 483 b.c. In He is worshipped by Buddhists as a god. See Buddha. [ Also spelled Gotama. ]
Syn. -- Buddha, the Buddha, Siddhartha, Gotama, Gautama Buddha. [ WordNet 1.5 ]

a. [ Gluten + -amic. ] (Chem.) Of or pertaining to gluten. [ 1913 Webster ]

Glutamic acid, a nitrogenous organic acid obtained from certain albuminoids, as gluten; -- called also amido-glutaric acid. [ 1913 Webster ]

a. [ Hepta- + Gr. &unr_; part. ] (Bot.) Consisting of seven parts, or having the parts in sets of sevens. Gray. [ 1913 Webster ]

n. [ LL. hereditamentum. See Hereditable. ] (Law) Any species of property that may be inherited; lands, tenements, anything corporeal or incorporeal, real, personal, or mixed, that may descend to an heir. Blackstone. [ 1913 Webster ]

☞ A corporeal hereditament is visible and tangible; an incorporeal hereditament is not in itself visible or tangible, being an hereditary right, interest, or obligation, as duty to pay rent, or a right of way. [ 1913 Webster ]

n.; pl. E. Hippopotamuses L. Hippopotami [ L., from Gr.&unr_;; "i`ppos horse + &unr_; river. Cf. Equine.] (Zool.) A large, amphibious, herbivorous mammal (Hippopotamus amphibius), common in the rivers of tropical Africa. It is allied to the hogs, and has a very thick, naked skin, a thick and square head, a very large muzzle, small eyes and ears, thick and heavy body, and short legs. It is supposed to be the behemoth of the Bible. Called also zeekoe, and river horse. A smaller species (Hippopotamus Liberiencis) inhabits Western Africa. [1913 Webster]

n. [ Hyper- + metamorphosis. ] (Zool.) A kind of metamorphosis, in certain insects, in which the larva itself undergoes remarkable changes of form and structure during its growth. [ 1913 Webster ]

a. [ L. incontaminatus. See In- not, and not, and Contaminate. ] Not contaminated; pure. Moore. -- In`con*tam"i*nate*ness, n. [1913 Webster]

v. t. See Enstamp. [ 1913 Webster ]

a. [ L. intaminatus. See Contaminate. ] Uncontaminated. [ Obs. ] Wood. [ 1913 Webster ]

n. [ L. interpretamentum. ] Interpretation. [ Obs. ] Milton. [ 1913 Webster ]

n. 1. A small shrubby spiny tree (Dovyalis hebecarpa) cultivated for its maroon-purple fruit with sweet purple pulp tasking like gooseberries; it is native to Sri Lanka and India.
Syn. -- ketembilla, kitembilla, ketembilla tree, Ceylon gooseberry, Dovyalis hebecarpa. [ WordNet 1.5 ]

2. A maroon-purple gooseberrylike fruit of India having a tart-sweet purple pulp used especially for preserves.
Syn. -- ketembilla, kitembilla. [ WordNet 1.5 ]

n. [ Lactone + amido. ] (Chem.) One of a series of anhydrides of an amido type, analogous to the lactones, as oxindol; a cyclic amide. [ 1913 Webster ]

beta-lactam or
β-lactam, (a) a lactam in which the amide bond is contained within a four-membered ring, which includes the amide nitrogen and the carbonyl carbon. (b) an antibiotic containing a beta-lactam, such as a penicillin, cephalosporin, or carbapenem; also called a beta-lactam antibiotic. [ informal, laboratory slang ] [ PJC ]

a. (Chem.) Pertaining to, or designating, an amido acid related to lactic acid, and called also amido-propionic acid. [ 1913 Webster ]

n. [ Lactic + amide. ] (Chem.) An acid amide derived from lactic acid, and obtained as a white crystalline substance having a neutral reaction. It is metameric with alanine. [ 1913 Webster ]