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

n. [ Alkali + amide. ] (Chem.) One of a series of compounds that may be regarded as ammonia in which a part of the hydrogen has been replaced by basic, and another part by acid, atoms or radicals. [ 1913 Webster ]

prep. See Amidst. [ 1913 Webster ]

{ } prep. [ OE. amidde, amiddes, on midden, AS. on middan, in the middle, fr. midde the middle. The s is an adverbial ending, originally marking the genitive; the t is a later addition, as in whilst, amongst, alongst. See Mid. ] In the midst or middle of; surrounded or encompassed by; among. “This fair tree amidst the garden.” “Unseen amid the throng.” “Amidst thick clouds.” Milton. “Amidst acclamations.” “Amidst the splendor and festivity of a court.” Macaulay. [ 1913 Webster ]

But rather famish them amid their plenty. Shak. [ 1913 Webster ]

Syn. -- Amidst, Among. These words differ to some extent from each other, as will be seen from their etymology. Amidst denotes in the midst or middle of, and hence surrounded by; as, this work was written amidst many interruptions. Among denotes a mingling or intermixing with distinct or separable objects; as, “He fell among thieves.” “Blessed art thou among women.” Hence, we say, among the moderns, among the ancients, among the thickest of trees, among these considerations, among the reasons I have to offer. Amid and amidst are commonly used when the idea of separate or distinguishable objects is not prominent. Hence, we say, they kept on amidst the storm, amidst the gloom, he was sinking amidst the waves, he persevered amidst many difficulties; in none of which cases could among be used. In like manner, Milton speaks of Abdiel, -- The seraph Abdiel, faithful found;
Among the faithless faithful only he, [ 1913 Webster ] because he was then considered as one of the angels. But when the poet adds, -- From amidst them forth he passed, [ 1913 Webster ] we have rather the idea of the angels as a collective body. Those squalid cabins and uncleared woods amidst which he was born. Macaulay. [ 1913 Webster ]

n. [ Ammonia + -ide. ] (Chem.) A compound formed by the union of amidogen with an acid element or radical. It may also be regarded as ammonia in which one or more hydrogen atoms have been replaced by an acid atom or radical. [ 1913 Webster ]

Acid amide, a neutral compound formed by the substitution of the amido group for hydroxyl in an acid. [ 1913 Webster ]

n. [ Cf. F. amidine, fr. amido&unr_; starch, fr. L. amylum, Gr. &unr_; fine meal, neut. of &unr_; not ground at the mill, -- hence, of the finest meal; 'a priv. + &unr_;, &unr_;, mill. See Meal. ] (Chem.) Start modified by heat so as to become a transparent mass, like horn. It is soluble in cold water. [ 1913 Webster ]

a. [ From Amide. ] (Chem.) Containing, or derived from, amidogen. [ 1913 Webster ]

Amido acid, an acid in which a portion of the nonacid hydrogen has been replaced by the amido group. The amido acids are both basic and acid. --
Amido group, amidogen, NH2. [ 1913 Webster ]

n. [ Amide + -gen. ] (Chem.) A compound radical, NH2, not yet obtained in a separate state, which may be regarded as ammonia from the molecule of which one of its hydrogen atoms has been removed; -- called also the amido group, and in composition represented by the form amido. [ 1913 Webster ]

n. [ Amide + -ol as in alcohol. ] (Photog. & Chem.) A salt of a diamino phenol, C6H3(OH)(NH2)2, used as a developer. [ Webster 1913 Suppl. ]

adv. (Naut.) In the middle of a ship, with regard to her length, and sometimes also her breadth. Totten. [ 1913 Webster ]

n. a family of aquatic birds of South America. They are called screamers due to their harsh trumpeting call.
Syn. -- family Anhimidae. [ WordNet 1.5 ]

n. [ Pref. anti- + -albumin. ] (Physiol. Chem.) A body formed from albumin by pancreatic and gastric digestion. It is convertible into antipeptone. [ 1913 Webster ]

n. 1. 1 one of two subgroups of Nematoda used in some classification systems.
Syn. -- class Aphasmidia. [ WordNet 1.5 ]

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

n. [ Gr. &unr_;, &unr_;, smoke, vapor + -meter; cf. F. atmidomètre. ] An instrument for measuring the evaporation from water, ice, or snow. Brande & C. [ 1913 Webster ]

n. 1. 1 an antiviral drug, (C10H13N5O4) used in the treatment of AIDS. It has the generic name of zidovudine. an analog of thymidine, it inhibits the replication of the viral chromosome.
Syn. -- AZT, zidovudine[ generic ], 3'-azido 3'-deoxythymidine, Retrovir[ Trademark ] [ WordNet 1.5 +PJC ]

n. [ Benzoin + amide. ] (Chem.) A transparent crystalline substance, C6H5.CO.NH2, obtained by the action of ammonia upon chloride of benzoyl, as also by several other reactions with benzoyl compounds. [ 1913 Webster ]

a. [ Pref. bi- + pyramidal. ] Consisting of two pyramids placed base to base; having a pyramid at each of the extremities of a prism, as in quartz crystals. [ 1913 Webster ]

n. 1. (Chem.) A compound of bromine with a positive radical. [ 1913 Webster ]

2. A person who is conventional and commonplace in his habits of thought and conversation. [ Slang ] [ Webster 1913 Suppl. ]

The bromide conforms to everything sanctioned by the majority, and may be depended upon to be trite, banal, and arbitrary. Gelett Burgess. [ Webster 1913 Suppl. ]

3. a conventional or trite saying; -- often used in the phrase “old bromide”. [ PJC ]

a. 1. of or pertaining to bromide (definition 2). [ WordNet 1.5 ]

2. conventional or trite; repeated too often; overfamiliar through overuse -- of sayings, assertions, or discourses; as, bromidic sermons.
Syn. -- commonplace, hackneyed, shopworn, threadbare, timeworn, tired, trite, well-worn. [ WordNet 1.5 ]

n. [ Bromide + idiom. ] A conventional comment or saying, such as those characteristic of bromides{ 2 }; a bromide{ 3 }. [ Slang ] [ Webster 1913 Suppl. +PJC ]

{ or }. (Photog.) A sensitized paper coated with gelatin impregnated with bromide of silver, used in contact printing and in enlarging. [ Webster 1913 Suppl. ]

n. a natural family comprising the dragonets.
Syn. -- family Callionymidae. [ WordNet 1.5 ]

n. [ Carbonyl + amide. ] (Chem.) The technical name for urea. [ 1913 Webster ]

n. [ Carbon + imide ] (Chem.) The technical name for isocyanic acid. See under Isocyanic. [ 1913 Webster ]

n. a natural family of cranelike South American wading birds.
Syn. -- family Cariamidae. [ WordNet 1.5 ]

n. a natural family of fishes comprising the robalos (also called snooks).
Syn. -- family Centropomidae. [ WordNet 1.5 ]

n. [ Chloral + amide. ] (Chem.) A compound of chloral and formic amide used to produce sleep. [ 1913 Webster ]

n. [ Gr. &unr_; a kind of fish. ] (Zool.) One of the Chromidæ, a family of fresh-water fishes abundant in the tropical parts of America and Africa. Some are valuable food fishes, as the bulti of the Nile. [ 1913 Webster ]

‖n. [ NL., fr. Gr. &unr_; color + &unr_; sweat. ] (Med.) Secretion of abnormally colored perspiration. [ 1913 Webster ]

n. [ From Cumin. ] (Chem.) A strong, liquid, organic base, C3H7.C6H4.NH2, homologous with aniline. [ 1913 Webster ]

n. (Chem.) A liquid organic base, C10H13.NH2, derived from cymene. [ 1913 Webster ]

v. t. to remove the moisture from (air or another gas); to reduce the humidity of; as, The air conditioner dehumidifies the air in the summer.
Syn. -- make less humid. [ WordNet 1.5 +PJC ]

pos>v. t. To deify in part. Cowper. [ 1913 Webster ]

n. A half devil. Shak. [ 1913 Webster ]

{ } n. [ Gr. desmo`s chain + e'i^dos form. ] (Bot.) A microscopic plant of the family Desmidiæ, a group of unicellular algæ in which the species have a greenish color, and the cells generally appear as if they consisted of two coalescing halves. [ 1913 Webster ]

n. [ Pref. di- + amide. ] (Chem.) Any compound containing two amido groups united with one or more acid or negative radicals, -- as distinguished from a diamine. Cf. Amido acid, under Amido, and Acid amide, under Amide. [ 1913 Webster ]

a. (Chem.) A prefix or combining form of Diamine. [ Also used adjectively. ] [ 1913 Webster ]

a. (Zool.) Like or belonging to the Dicyemata. -- n. One of the Dicyemata. [ 1913 Webster ]

a. [ L. dimidiatus, p. p. of dimidiare to halve, fr. dimidius half. See Demi-. ] 1. Divided into two equal parts; reduced to half in shape or form. [ 1913 Webster ]

2. (Biol.) (a) Consisting of only one half of what the normal condition requires; having the appearance of lacking one half; as, a dimidiate leaf, which has only one side developed. (b) Having the organs of one side, or half, different in function from the corresponding organs on the other side; as, dimidiate hermaphroditism. [ 1913 Webster ]

v. t. [ imp. & p. p. Dimidiated; p. pr. & vb. n. Dimidiating. ] 1. To divide into two equal parts. [ Obs. ] Cockeram. [ 1913 Webster ]

2. (Her.) To represent the half of; to halve. [ 1913 Webster ]

n. [ L. dimidiatio. ] The act of dimidiating or halving; the state of being dimidiate. [ 1913 Webster ]

a. Epidermal. [ R. ] [ 1913 Webster ]

{ , a. (Hist.) Descended from Fatima, the daughter and only child of Mohammed. -- n. A descendant of Fatima. [ 1913 Webster ]

n. Formidableness. Walpole. [ 1913 Webster ]

a. [ L. formidabilis, fr. formidare to fear, dread: cf. F. formidable. ] Exciting fear or apprehension; impressing dread; adapted to excite fear and deter from approach, encounter, or undertaking; alarming. [ 1913 Webster ]

They seemed to fear the formodable sight. Dryden. [ 1913 Webster ]

I swell my preface into a volume, and make it formidable, when you see so many pages behind. Drydn.

Syn. -- Dreadful; fearful; terrible; frightful; shocking; horrible; terrific; tremendous. [ 1913 Webster ]

n. The quality of being formidable, or adapted to excite dread. Boyle. [ 1913 Webster ]

adv. In a formidable manner. [ 1913 Webster ]

a. [ L. formidolosus, fr. formido fear. ] Very much afraid. [ Obs. ] Bailey. [ 1913 Webster ]

a. [ L. fumidus, fr. fumus smoke. See Fume. ] Smoky; vaporous. Sir T. Broune.