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n. [ LL. acetositas. See Acetous. ] The quality of being acetous; sourness. [ 1913 Webster ]

n. [ L. altus high + L. & E. stratus. ] (Meteor.) A cloud formation similar to cirro-stratus, but heavier and at a lower level; a stratus cloud at an intermediate altitude of 2 or 3 miles. [ Webster 1913 Suppl. + WordNet 1.5 ]

‖n. [ NL. See A- not, and Mitosis. ] (Biol.) Cell division in which there is first a simple cleavage of the nucleus without change in its structure (such as the formation of chromosomes), followed by the division of the cytoplasm; direct cell division; -- opposed to mitosis. It is not the usual mode of division, and is believed by many to occur chiefly in highly specialized cells which are incapable of long-continued multiplication, in transitory structures, and in those in early stages of degeneration. [ Webster 1913 Suppl. ]

‖n. [ L., fr. Gr. &unr_;; 'anti` against + &unr_; a falling, a case, &unr_; to fall. ] (Gram.) The putting of one case for another. [ 1913 Webster ]

n. 1. 1 a genus of extinct dinosaurs comprising the brontosaurs; apatosaurs.
Syn. -- genus Apatosaurus. [ WordNet 1.5 ]

n. 1. 1 a genus of plants including the bearberry; manzanita.
Syn. -- genus Arctostaphylos. [ WordNet 1.5 ]

{ } n. [ L. asbestos (NL. asbestus) a kind of mineral unaffected by fire, Gr. &unr_; (prop. an adj.) inextinguishable; 'a priv. + &unr_; to extinguish. ] (Min.) A variety of amphibole or of pyroxene, occurring in long and delicate fibers, or in fibrous masses or seams, usually of a white, gray, or green-gray color. The name is also given to a similar variety of serpentine. [ 1913 Webster ]

☞ The finer varieties have been wrought into gloves and cloth which are incombustible. The cloth was formerly used as a shroud for dead bodies, and has been recommended for firemen's clothes. Asbestus in also employed in the manufacture of iron safes, for fireproof roofing, and for lampwicks. Some varieties are called amianthus. Dana. [ 1913 Webster ]

‖n. [ NL., fr. Gr. &unr_; not fixed; 'a priv. + &unr_; to set. ] (Med.) A variety of chorea, marked by peculiar tremors of the fingers and toes. [ 1913 Webster ]

{ } a. [ Auto- + Gr. schedia`zein to do hastily. See Schediasm. ] Extemporary; offhand. [ R. ] Dean Martin. [ 1913 Webster ]

n. [ Auto- + stability. ] (Mechanics) Automatic stability; also, inherent stability. An aëroplane is inherently stable if it keeps in steady poise by virtue of its shape and proportions alone; it is automatically stable if it keeps in steady poise by means of self-operative mechanism. [ Webster 1913 Suppl. ]

n. 1. an expressway in an Italian-speaking country. [ WordNet 1.5 ]

a. [ Auto- + Gr. sty^los pillar. ] (Anat.) Having the mandibular arch articulated directly to the cranium, as in the skulls of the Amphibia. [ 1913 Webster ]

n. [ Auto- + suggestion. ] (Med.) 1. Self-suggestion as distinguished from suggestion coming from another, especially in hypnotism. Autosuggestion is characteristic of certain mental conditions in which expectant belief tends to produce disturbance of function of one or more organs. [ Webster 1913 Suppl. ]

2. hypnosis induced by oneself.
Syn. -- self-hypnosis, self-suggestion. [ WordNet 1.5 ]

n. pl.; sing. Basuto (Ethnol.) A warlike South African people of the Bantu stock, divided into many tribes, at one time subjected by the English. They formerly practiced cannibalism, but have now adopted many European customs. [ Webster 1913 Suppl. +PJC ]

v. t. [ imp. & p. p. Betossed ] To put in violent motion; to agitate; to disturb; to toss. “My betossed soul.” Shak. [ 1913 Webster ]

{ } a. [ Pref. bi- + setose, setous. ] Having two bristles. [ 1913 Webster ]

n. [ Gr. blasto`s sprout + E. sphere. ] (Biol.) The hollow globe or sphere formed by the arrangement of the blastomeres on the periphery of an impregnated ovum. [ See Illust. of Invagination. ] [ 1913 Webster ]

n. [ Gr. blasto`s sprout, bud + &unr_; a pillar. ] (Zool.) In certain hydroids, an imperfect zooid, whose special function is to produce medusoid buds. See Hydroidea, and Athecata. [ 1913 Webster ]

n. [ NL., fr. Gr. bronth` thunder + say^ros lizard. ] (Paleon.) a dinosaur of the genus Brontosaurus; an individual may also be called a brontosaurus or an apatosaurus. [ PJC ]

‖n. [ NL., fr. Gr. bronth` thunder + say^ros lizard. ] (Paleon.) A genus of large sauropod American dinosaurs of the jurassic era, or an individual of that genus. A length of sixty feet is believed to have been attained by these reptiles. The genus is also called Apatosaurus, and individuals of the genus are also called brontosaurs. [ 1913 Webster +PJC ]

a. Same as Cespitose. [ 1913 Webster ]

n. a classification used in some esp. former systems for plants usually placed in the genus Asplenium.
Syn. -- genus Camptosorus. [ WordNet 1.5 ]

n. (Paleon.) the ceratosaurus.
Syn. -- ceratosaurus. [ WordNet 1.5 ]

‖n. [ NL., fr. Gr. ke`ras a horn + &unr_; lizard. ] (Paleon.) A swift-running bipedal carnivorous American Jurassic dinosaur allied to the European Megalosaurus. The animal was nearly twenty feet in length, and the skull bears a bony short horn between the nostrils on the united nasal bones. See Illustration in Appendix. [ 1913 Webster + WordNet 1.5 ]

‖prop. n. pl. [ NL., fr. Gr. ke`ras, ke`ratos horn + &unr_; sponge. ] (Zool.) An order of sponges in which the skeleton consists of horny fibers. It includes all the commercial sponges. [ 1913 Webster ]

a. [ L. caespes turf. ] (Bot.) Having the form a piece of turf, i. e., many stems from one rootstock or from many entangled rootstocks or roots. [ Written also cæspitose. ] [ 1913 Webster ]

n. [ Gr. &unr_;, &unr_;, color + -scope. ] (Astron.) A reflecting telescope, part of which is made to rotate eccentrically, so as to produce a ringlike image of a star, instead of a point; -- used in studying the scintillation of the stars. [ 1913 Webster ]

n. A chromosphere. [ R. ] [ 1913 Webster ]

a. [ From Coma lethargy. ] Relating to, or resembling, coma; drowsy; lethargic; as, comatose sleep; comatose fever. [ 1913 Webster ]

a. [ L. cretosus, fr. creta chalk. ] Chalky; cretaceous. [ Obs. ] Ash. [ 1913 Webster ]

‖n.; pl. Custodes [ L. ] A keeper; a custodian; a superintendent. [ Obs. ] [ 1913 Webster ]

Custos rotulorum ety>[ LL., keeper of the rolls ] (Eng. Law), the principal justice of the peace in a county, who is also keeper of the rolls and records of the sessions of the peace. [ 1913 Webster ]

n. [ L. cutis skin. ] (Chem.) A variety of cellulose, occuring as a fine transparent membrane covering the aerial organs of plants, and forming an essential ingredient of cork; by oxidation it passes to suberic acid. [ 1913 Webster ]

n. [ Gr. &unr_;&unr_;&unr_;&unr_; bent + &unr_;&unr_;&unr_; pillar. ] (Arch.) A circular projecting portion. [ 1913 Webster ]

a. Containing, or resembling, a cyst or cysts; cystic; bladdery. [ 1913 Webster ]

n. (Biochemistry) A pyrimidine (C4H5N3O) which is one of the four major basic components of DNA and RNA in most organisms, forming glyosides with ribose and deoxyribose. It is the basic component of cytidine, deoxycytidine, cytosine, cytidine monophosphate, and derivatives of those compounds. [ PJC ]

a. (Cell Biology) Of or pertaining to the cytoskeleton; as, cytoskeletal microtubules. [ PJC ]

n. (Cell Biology) An arrangement of microtubules, microfilaments, and larger filaments within a cell serving to provide structural support of components of the cell, and to transport components from one part of the cell to another; the filaments are composed of protein and form a latticelike arrangement which may change rapidly with time. [ PJC ]

n. (Biology) The soluble components of the fluid matter enclosed within the cellular membrane; the portion of the cytoplasm which remains after removal of particulate components. [ PJC ]

n. (Biology) The inhibition or cessation of cell growth or division. [ PJC ]

a. (Biology) Having an inhibitory action on cell growth or cell division. [ PJC ]

n. The mouth of a protozoan. [ WordNet 1.5 ]

‖n. [ NL., fr. Gr. &unr_; flayed. ] (Anat.) A thin layer of peculiar contractile tissue directly beneath the skin of the scrotum. [ 1913 Webster ]

‖n. [ NL., from Gr. &unr_; skin + &unr_; bone. ] (Physiol.) Ossification of the dermis. [ 1913 Webster ]

n. [ Pref. deuto- + sulphuret. ] (Chem.) A disulphide. [ Obs. ] [ 1913 Webster ]

n. 1. any slime mold of the genus Dictostylium. [ WordNet 1.5 ]

a. [ From L. dumetum a thicket. ] (Bot.) Dumose. [ 1913 Webster ]

n. [ Ecto- + Gr. &unr_;, &unr_;, flesh. ] (Biol.) The semisolid external layer of protoplasm in some unicellular organisms, as the amœba; ectoplasm; exoplasm. [ 1913 Webster ]

a. (Physiol.) Of or pertaining to ectostosis; as, ectosteal ossification. [ 1913 Webster ]